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八年级单选训练题
为了提升做题速度，大家要在平时多进行习题练习，以达灵活掌握知识运用知识，下面小编给大家整理了一些八年级单选训练题，大家可以参考练习。
八年级单选训练题 篇1
103. --Will you show me the photo of your family?
--OK. I'll it here next week.
A. take B. catch C. carry D. bring
104. They didn't start the work their teacher came back.
A. until B. while C. as soon as D. if
105. --Is the film over?
--I think so. A lot of people are beginning to leave.
A. just B. already C. almost D. mostly
106. --Would you like to come to our party tonight?
--I'd love to, __ I'll have to do my homework at home.
A. so B. but C. because D. and
107. We have never seen __ _ film before. It's very interesting.
A. so good B. such good C. such a good D. a so good
108. Most business letters around the world in English.
A. writes B. is written C. wrote D. are written
109. --Did your teacher tell you ___ this afternoon?
--Yes. We'll go to visit the Science Museum.
A. how to do B. what to do C. to go where D. where go to
110. The old man went to a house________.
A. lonely; lonely B. lonely; alone
C. alone; alone D. alone ;lonely
111. --Has your team beaten theirs?_______.
A. ever; Not yet B. already; Yes, already
C. yet; Not ever D. already; Not yet
112. the old woman was a little worried ,but then she felt quiet all right.
A. From time to time B. In the end
C. In the beginning D. At the same time
113.He his homework and now is listening to music.
A. finished B. finishes C. has finished D. was finishing
114. Li Lei hasn't come yet. I don't know what to him.
A. is happened B. has been taken place
C. has taken place D. has happened
115. Mr Smith in America this time last year.
A. travelled B. would travel C. has travelled D. was travelling
116. --What would you like to do, singing or dancing?
--I choose you a song.
A. sang B. singing C. to sing D. sing
117. Don't go out. I don't want you to ____
A. get lose B. get missed C. get miss D. get lost
118. --I you good luck in the coming new year.
--Thanks.
A. want B. wish C. hope D. like
119. What he said about the life in that country is .
A. surprise B. surprised C. surprising D. to be surprised
120. He’s never visited France, ________ he ?
A. is B. isn’t C. has D. hasn’t
121. Many teenagers find ________ interesting to play ball games.
A. that B. it C. them D. this
122.----Look, it’s going to rain.
----Really ? ______ , I don’t take a raincoat with me.
A. I’m afraid not B. I hope not.
C. Good idea D. I hope so.
123. It was too noisy, ______ we couldn’t hear _____ he said at the meeting.
A. so, that B. so, what C. that, what D. to, that
124. There is only _______ water in the bottle.
A. a bit B. a little of C. a bit of D. a few
125.---- Shall I sit at this end of the boat or the other ?
---- If you keep still(不动的), you can sit at ________ end.
A. neither B. each C. either D. any
126.Mary ________ show us her new dictionary .
A. has asked to B. was asked to
C. is asked D. asks to
127.During the summer holidays , he was made ______ two hours a day.
A. to swim B. swim C. swimming D. swum
128.---- Lily, nice to see you ! ______ to England ?
---- Yes. And I will come back in a week.
A. Have you gone B. Are you going
C. Have you been D. Did you go
129.----Are you learning music now in your free time ?
----No. I’ve stopped ______ Chinese medicine instead.
A. to learn B. learning C. learn D. studying
130. The doctors did what they could _______ her.
A. helping B. help C. helped D. to help
131.Teaching little children is ______, but the teachers always _______.
A. a hard work, to work hard B. hard work, to work hard
C. a hard work, work hard D. hard work, work hard
132. A minute, please. You ________ your room soon.
A. will show B. will be shown C. show D. are showed
133. _______ the students like playing football.
A. Two thousand of B. Thousands of
C. Two thousand D. B and C
134. It was _______ bad weather _______ they all had to stay at home.
A. such a… that B. such… that
C. so… that D. too… to
135.Amy _____ spend all her pocket money, but now she _____ saving some of it.
A. was used to, used to B. used to, is used to
C. used to, used to D. was used to, is used
136. He didn’t come to work ________ his illness.
A. because B. because of C. if D. however
137.I think _______ is enough food to eat during the winter.
A. they all need B. all of their need
C. all they need D. they need all
138.I’m sorry. I still have some problems ______.
A. solving B. to solve C. being solved D. to be solve
139. When will you go back to your hometown ?_________ next week.
A. Sometime B. Some time C. Sometimes D. Some times
140. –Emma has been ill for a week. Is she all right now?
–_______. The teacher says she can come to school tomorrow.
A. I hope not. B. I don’t think so. C. I’m afraid so. D. I think so.
141.Great changes ______in Nanjing High School since I came here in 1980.
A. have been taken place B. took place
C. have taken place D. were taken place
142.Shall we __________a rest. We have worked for a long time.
A. stopped to have B. stopped having
C. stop having D. stop to have
143.___________ excellent film we saw yesterday!
A. What B. How C. What an D. How an
144.--Where is Hellen? I am looking for her.
--_________to Australia. She’s been there for three days.
A. She has gone B. She has been C. She went D. She will go
145. We________ in the swimming pool at that time.
A. were planning to swim B. are planning to swim
C. were planning swimming D. are planning swimming
146. What_______ to the earth in the last ten years?
A. was happened B. has happened
C. happened D. has been happened
147.I’ll tell your daughter about it as soon as she _____ to the meeting tomorrow.
A. comes B. come C. came D. will come
148. The parents made the little boy_______ the piano for one and a half hours.
A. practise playing B. to practise playing
C. practise to play D. to practise to play
149. My cousin_______ the fashionable jacket in the shop.
A. seems like B. like C. seems to like D. appears to be like
150. You can choose any other ________except this.
A. works to do B. duties to do it
C. jobs to do it D. job to do
151. I_________ you will write me back soon.
A. wish B. need C. want D. hope
152. I don’t think_______possible to work out all the maths problems.
A. its B. that C. this D. it
153. This material is used _______ wood in many ways.
A. for B. instead C. instead of D. to
154. The boy showed great ________in drawing.
A. interesting B. interested C. interest D. interests
155. There are many tall trees on________sides of the lake.
A. all B. every C. both D. any
156.I’m always tired and often feel ________ in class.
A. sleepy B. asleep C. sleep D. sleeping
157.The city _________ a lot in the _________ three years.
A. is changing ;passing B. is changed ;past
C. has changed; past D. has been changed ;passed
158.The farmers were all tired,________none of them stopped to have a rest.
A. so B. because C. and D. but
159.She feels quite lonely because she has no close friends to_________.
A. talk about B. listen C. chat D. talk with
160.We all must do something to stop the environment __________.
A. from polluting B. to pollute
C. from polluted D. from being polluted
161.The doctor worked for_______ after twelve o’clock.
A. two more hours B. two another hours
C. more two hours D. another two hour
162.A: Can I come this evening or tomorrow morning?
B:_____________ is OK,I’m free today and towmorrow.
A. Either B. Neither C. Both D. None
163. I’m not sure if it________ tomorrow.If it __________,we’ll put off the match.
A. will rain; will rain B. rains; will rain
C. will rain; rains D. rains; rains
164. The________ old man often walks in the garden_______.
A. lonely, alone B.alone, lonely C. alone, alone D. lonely, lonely
165.—May I borrow your e-dictionary?
--Sorry, my e-dictionary_________, I’ve looked for it everywhere but still_____it.
A. has lost, haven’t found B. is missing , haven’t found
C. has lost, don't find D. is missing, don't find
166. ---Did he________live in Australia?
---Yes, but now he __________ living in Taizhou.
A. used to, used to B. use to, used to C. use to, is used to D. used to, is used to
167.Miss King is kind to us students._______, she is like our elder sister.
A. By the way B. On the way C. In some ways D. However
168.Your father's never been late for work,_________?
A. is he B. has he C. isn't he D. hasn't he
169.Tom is ________ boy now.
A. a 11-years-old B. a 11-year-old C. an 1l-years-old D. an 11-year-old
170.The boy is too busy _____with the toys _____his mother come back home.
A. to play, to see B. playing, to see C. playing, seeing D. to play; seeing
171.---Do you mind ___________here? ---________.
A. me to smoke, Not at all B. my smoking, Certainly not
C. my to smoke, Of course not D. if I smoke, Yes, I don't
172. We must stop all kinds of pollution _________better environment.
A. build B. built C. building D. to build
173.What were you asked ________about the matter?
A. to say B. to speak C. to tell D. to talk
174. Something strange _________ in the sky suddenly just now.
A. was appeared B. appeared C. has appeared D. was appearing
175. ---What a nice meal! Thank you for having us.
--- _________ .I’m so glad you enjoyed it.
A. It's nothing B. It was a pleasure
C. Not nice enough D. With pleasure
176.One of the two books is here. Where’s my________ one?
A. other B. another C. the other D. the others
177.South Hill is 5 km south________ Sunny street.
A. at B. to C. on D. of
178.My father is looking forward to_________ his old friend from Xinjiang.
A. see B. seeing C. saw D. looking at
179.-- How many apples are there in the basket? --_________.
A. No. B. No one. C. None. D. Nothing.
180.Kitty, your cousin is_________ that we all like her.
A. such lovely a girl B. such a lovely girl
C. so lovely a girl D. B and C
181.Tom, with his parents,______ to America. They______ back in two weeks.
A. have gone, will come B. has gone, will come
C. have been, have come D. have been, come
182.--We haven't heard from Jane for a long time.
--What do you suppose ________ to her?
A. was happening B. to happen
C. has happened D. having happened
183.I ________that there________an evening party on Saturday evening.
A. was told, was going to have B. was told, was going to be
C. heard, was going to have D. was said, is going to be
184.--Do you mind_________here? --_______.
A. me to smoke ; Not at all B. my smoking; Yes, I don’t
C. me to smoke; Certainly not D. if I smoke; No, Please.
185. –I________ you good luck in the coming new year.
--Thanks.
A. want B. wish C. hope D. like
186.What he said about the life in that country is________.
A. surprise B. surprised C. surprising D. to be surprised
187.How________it is to see you again!
A. happily B. pleased C. glad D. pleasant
188. How ______ I am to see you again!
A. good B. pleased C. nice D. pleasant
189.He was seen__________ in the reading room every afternoon.
A. sit B. sitting C. sat D. to sit
190.The new book______ by Mr Liu_______ last month.
A. was written, was come out B. written, came out
C. writes, had been out D. wrote, will be out
191.The Maths problem is not________ for him to_________.
A. easy enough, work out it B. enough easy, solve
C. easy enough, work out D. easy enough, work it out
192.What did the teacher tell her to______ at the meeting?
A. tell B. say C. talk D. speak
193.The treasure box is_______. I think.
A. hid somewhere in abroad B. hidden abroad somewhere
C. hidden somewhere abroad D. hidden in somewhere abroad
194.—Ann didn’t come to school yesterday, did she?
--_______, though she was not feeling very well.
A. Yes, she did B. No, she didn’t C. Yes, she didn’t D. No, she did
195.More than 20 people _______ in traffic accidents_____ last March.
A. die, for B. have been dead, for
C. have died, since D. have been dead, since
196.With the money______ he had saved, he went on with his studies.
A. that B. what C. who D. where
197.If you go to the south Hill, _______.
A. so will I B. So I will C. so do I D. So I do
198.I________the good news______ the TV.
A. saw, on B. looked at , on C. saw, by D. looked at, by
199.Tom’s father seemed______ with his bad results.
A. sadly B. sad C. happy D. happily
200.Your donations can provide poor people ___ food and clothes and a chance____.
A. to , to study B. to study C. with, to study D. with, study
201.—Did you bring some books here?
--Yes, I brought______ here, but I can’t find______ now.
A. one, one B. it, it C. one , it D. it, one
202.His friend Mr White wrote_______ book last year.
A. a 800,000-words B. an 800,000—words
C. a 800,000-word D. an 800,000-word
203.If we don’t work hard enough, it will be difficult______ to pass the exam.
A. for you and me B. of you and me
C. that I and you D. that you and me.
204.Who did he_________ about the meeting?
A. say B. speak C. talk D. tell
205.—How long_________ you_______ this pen?
--Only one day. I bought it yesterday.
A. have, bought B. have, had C. did, buy D. have, been
206.—Tickets, please! May I see your ticket , madam? --________
A. I have no ticket. B. What did you say?
C. Certainly! Here it is. D. No, you mustn’t.
207.—What have you come here for? ---________.
A. Borrow a CD B. To borrow a CD C. Borrowing a CD D. Borrowed a CD
208.He looked_______, ________ he could see nothing.
A. carefully, and B. carefully, but C. careful, and D. careful, but
209.—Have you finished your maths work____________?
--Yes, I_________ it a few minutes ago.
A. already, have finished B. yet, have finished
C. yet, finished D. just now, finished
210.I have_______ good friends, so I feel__________ from time to time.
A. a few, lonely B. few, lonely C. some, alone D. no, alone
211.—Did your parents go to see the film yesterday evening?
--No, we_______ stayed at home, watching TV.
A. both B. all C. either D. none
212. “Super Voice Girl” _______ by Hunan TV Station last year.
A. take place B. held C. was held D. took place
213.It’s impossible________ to finish the work in such a short time.
A. of he B. of him C. for him D. for he
214. As we all know, success means________.
A. to work hard B. to working hard C. working hard D. work hard
215.--________ do you want to do when you finish school?
--I want to train_______ an astronaut and become a person____Yang Liwei.
A. How; like; like B. How; as; like C. What; as; like D. What; like; as
216.The old man ________ in the operating room now.
A. is operated on B. is being operated on
C. is operating on D. operates on
217.H1N1 flu(流感) can _________ if we are more careful.
A. prevent B. preventing C. prevented D. be prevented
218.Which of the following charities doesn't work for people?
A. UNICEF. B. World Wide Fund for Nature. C. World Vision. D. ORBIS.
219.—How long________ the film________?
--About ten minutes.
A. does; begin B. has; begun C. is; on D. has; been on
220.There’s too much noise here. Why don’t we go________?
A. everywhere quiet B. quiet everywhere
C. somewhere quiet D. quiet somewhere
221. He’s never late for school, ________?
A. has he B. is he C. hasn’t he D. isn’t he
222. It was _______ that a lot of people wanted to watch TV.
A. quite a nice match B. a very nice match
C. a so nice match D. such a nice match
223. He ate most of the bread, so there’s ________ left.
A. little B. a little C. few D. a few
224. I like swimming and __________.
A. so he likes B. so he is C. so does he D. so he does
225. _______ of us Chinese people must do something useful to help with post-disaster reconstruction work (灾后重建工作)of Sichun Province.
A. Every B. None C. Each D. Everyone
226. –What a clean and tidy room! –It _______ every day.
A. is cleaning B. must clean C. has cleaned D. is cleaned
227. This kind of book ______ well and all copies _______ in the bookshop.
A. sell; sell B. sells; are sold out
C. is sold; are sold out D. is sold; sell out
228. –You must be here at six tomorrow morning. –Sorry, I _____ be here so early.
A. needn’t B. mustn’t C. may D. can’t
229. Your pen may be on ________ desk.
A. someone’s else B. someone else’s C. else someone’s D. other’s
230. Good luck ______ you _______ your Chinese.
A. to; with B. with; for C. for; to D. to; for
101-105AADAC 106-110BCDBB 111-115ACCDD 116-120CDBCC
121-125BBBCC 126-130BABAD 131-135DBABB 136-140BCBAD
141-145CDCAA 146-150BAACD 151-155DDCCA 156-160ACDDD
161-165AACAB 166-170CCBDB 171-175BDABB 176-180ADBCD
181-185BCBDB 186-190CDBDB 191-195CBCAC 196-200AAABC
201-205CDADB 206-210CBBCB 211-215BCCCC 216-220BDBDC
221-225BDACC 226-230 DBDBA
八年级单选训练题 篇2
试卷一
一.选择题。(每个空格1分，共40分)
1.下列动物中运动方式是游泳的是()。
A蜗牛 B海豚C鹿D鹰
2.下列动物中，既能在水中游泳又能在空中飞行的是()。
A野鸭B大雁C企鹅D老鹰
3.善于奔跑的猎豹、狮子等动物适宜于生活在()。
A开阔的大草原上B茂密的森林中C沼泽地中D崇山峻岭中
4.骨在运动中起()。
A杠杆作用B支点作用C动力作用D连接作用
5.人体下列关节中，活动范围最大的是()。
A肩关节B膝关节C髋关节D踝关节
6.骨骼肌的肌腱和肌腹的构成分别是()。
A结缔组织肌细胞B肌细胞结缔组织
C结缔组织结缔组织D肌细胞肌细胞
7.骨的哪一结构中含有血管、神经和成骨细胞()。
A骨膜B骨密质C骨松质D骨髓
8.下列能增加关节牢固性的是()。
A关节头和关节窝B关节软骨C关节腔内的滑液D关节外的关节囊
9.关于体育锻炼作用的叙述，下面哪一项最全面()。
A能使关节囊和韧带增厚B能加强骨的营养
C能使肌纤维变粗，肌肉粗壮D以上三项都是
10.手提重物时，肱二头肌与肱三头肌的状态分别是()。
A收缩、舒张B收缩、收缩C舒张、收缩D舒张、舒张
11.下列属于先天性行为的是()。
A小狗吃奶B大象吹口琴C狗钻火圈D猴子钓鱼
12.下列现象属于学习行为的是()。
A母鸡孵卵B蜘蛛结网C蜜蜂采蜜D小狗做算术题
13.下列不属于防御行为的是()
A乌贼释放墨汁B金龟子的假死
C雄鸡报晓D一只母鸡照看一群小鸡
14.青蛙在繁殖季节的抱对(雌雄蛙抱在一起)行为是()。
A攻击行为B繁殖行为C防御行为D取食行为
试卷二
一、选择题
1、下列进行无性生殖的植物是()。
A.向日葵B.淑草C.小麦D.高粱
2、梨、桃等的栽培通常用()来繁育优良品种。
A.嫁接B.种子C.扦插D.压条
3、在家蚕个体的发育中，幼体与成体的形态结构和生活习性差异很大，这种发育过程称为()。
A.变态发育B.不完全变态C.完全变态D.个体发育
4、蟋蟀的发育过程要经过卵、若虫、成虫三个时期，这个发育过程称为()。
A.不完全变态B.完全变态C.变态发育D.不变态发育
5、蜜蜂完全变态发育的正确过程是()。
A.幼虫→卵→蛹→成虫B.卵→蛹→成虫
C.卵→幼虫→蛹→成虫D.卵→蛹→幼虫→成虫
6、下列不属于完全变态发育的昆虫是()。
A.菜粉蝶B.螳螂C.家蚕D.蝇
7、下列是两栖动物的是()
A.龟B.大鲵C.鳄鱼D.中华鲟
8、下列对青蛙生殖发育特点描述正确的是()
A.雌雄同体，体内受精，体内发育B.雌雄同体，体外受精，体外发育
C.雌雄异体，体内受精，水中发育D.雌雄异体，体外受精，水中发育
9、秋天林区和公园的树干上，悬挂一些人工巢箱，是为了()
A.保护一些不会营巢的鸟类不会被冻死B.招引食虫鸟类在巢箱中繁殖
C.保护鸟类免受敌害D.捕捉鸟类
10、下列说法正确的是()
A.并不是说有的鸟都有孵卵和育雏的行为B.鸟类产的卵就是一个卵细胞
C.母鸡产的所有卵都可以孵化出小鸡D.家鸽的幼鸟在孵出后就会行走、觅食
11、下列不属于鸟类生殖和发育过程中的繁殖行为的是()
A.求偶B.占区、筑巢C.胎生、哺乳D.孵卵和育雏
12.运动员出国参加比赛，由于时差的原因，白天没劲、想睡，晚上兴奋难以入睡，这是因为()。
A舟车劳顿B体内的生物钟还未挑拨过来
C饮食不习惯D出国前超符合训练
13.下列昆虫中，有社群行为的是()。
A蜻蜓、蝴蝶B蝗虫、蟋蟀C蜜蜂、白蚁D苍蝇、蚊子
14.下列研究动物行为的方法中，属于实验法的是()。
A用摄像机拍摄猎豹的运动，研究猎豹追击猎物的方法
B用望远镜观察鸟类繁殖期的活动
C动物园用闭路电视研究东北虎生育幼虎的过程
D用声波干扰水中活动的海豚，观察海豚对声波反应的敏感性
15.研究动物行为的方法主要是采取()。
A观察法和实验法B观察法和调查法C调查法和实验法D观察法和推理法
16.动物在自然界中扮演什么角色()。
A生产者B消费者C分解者D破坏者
17.下列能够形成生产者与消费者之间食物关系的是()。
A莲与青蛙B棉花与蚜虫C蝗虫与麻雀D蚜虫与瓢虫
18.下列食物链正确的是()。
A草→蚱蜢→食虫鸟→蛇→鹰B蚱蜢→草→食草耔的鸟→鹰→狐
C狐→鹰→食虫鸟→蚱蜢→草D草←蚱蜢←食虫鸟←蛇←鹰
19.生物与环境的关系是()。
A生物受环境的限制，环境不受生物的影响B生物与环境相互影响
C生物决定环境如何改变D环境对生物的生存总是有利的
20.我国特产的珍贵哺乳动物是()。
A鸭嘴兽B长颈鹿C牦牛D大熊猫
21.有一种非常古老而稀少的鱼类，生活在长江水域，被我国列为一级保护动物，它是()。
A鲸鱼B桃花鱼C中华鲟D扬子鳄
22.造成野生动植物濒危和灭绝的主要原因是()。
A人类对野生动植物的过度狩猎或采伐，对栖息地环境的污染和改变
B物种退化
C食物链中弱肉强食
D人类对野生动植物资源的合理开发和利用
23.生物多样性包括()。
A动物多样性、植物多样性、微生物多样性
B生态系统多样性、物种多样性、遗传多样性
C森林多样性、草原多样性、湿地多样性
D地球圈、大气圈、生物圈
24.生物多样性就地保护的主要场所是()。
A建立自然保护区B建立动植物园
C通过宣传教育活动D建立基因库
25.“鹿因茸死，獐因麝亡”，我国特有的藏羚羊因为其比金子还贵重的羊绒，已濒临灭绝，这是因为()。
A藏羚羊失去了栖息地B生存环境受到污染
C偷猎者的疯狂捕杀D外来物种的入侵
26.某牧区为留种子，预防鸟类啄食，用网把留种地罩上，后来发现，草的叶子几乎被虫子吃光了，产生这种现象的原因是()。
A环境污染B植被破坏C食物链破坏D缺水干旱
27.为了保护朱鹗及其生存环境，在陕西洋县建立了朱鹗自然保护区，为了防止数量极少的野马绝灭，进行集中圈养。它们分别属于()。
A就地保护、易地保护B易地保护、易地保护
C易地保护、就地保护D就地保护、就地保护
28.把一只死小鱼深埋在一棵大树的根旁，过了好长一段时间以后，小鱼不见了，其原因是()。
A被树根吸收了B被水冲走了C被猫挖吃了D被腐生细菌分解了
29.下列生物中不具有细胞结构的是()。
A细菌B水螅C烟草花叶病毒D蚯蚓
30.酸奶的营养价值比牛奶高，是因为酸奶在发酵过程中，()使牛奶中的营养成分转变成更易于被人消化和吸收的营养物质，并产生多种维生素。
A酵母菌B乳酸菌C醋酸菌D曲霉
31.抗生素是()。
A细菌、真菌B细菌产生的杀死细菌的物质
C某些真菌或放线菌产生的杀死细菌的物质
D某些真菌或放线菌产生的杀死某些致病细菌的物质
32.HIV(艾滋病病毒)感染人体后，主要导致下列哪个系统损坏()。
A消化系统B免疫系统C循环系统D骨骼系统
33.蘑菇的营养方式是()。
A光合自养B腐生C异养D寄生
34.蘑菇属于()。
A藻类植物B细菌C蕨类植物D真菌
35.在夏天，宾馆的厨师常常把许多做好的菜肴用保鲜膜盖好，放在冰箱中冷藏，这样做的目的主要是()。
A抑制细菌繁殖B不让营养流失
C防止水分蒸发D保持菜肴的形状和颜色
36.传染性非典型肺炎的英文名称缩写为()。
AAIDSBSARSCARDSDHFRS
47.细菌和真菌在生态系统中的重要作用是()。
A为生态系统提供物质和能量B把动植物的遗体分解为无机物
C固定空气中的氮气D将无机物合成为有机物
二.填空题。(每空格1分，特别注明的除外)
1.绝大多数动物能够迅速改变自身的空间位置，一方面______，迁移到适宜自身生活的______，另一方面有效地______。
2.长骨的三个主要结构是_____、_____和_____。
3.关节是能够活动的骨连结，关节的基本结构包括___、___、___三部分。
4.人体每块骨骼肌包括___和___两部分。
5.在一定的自然区域内，各种生物之间有复杂的捕食与被食的关系，这种营养联系形成了____。(本空格4分)
6.典故“螳螂捕蝉，黄雀在后”，请依据这一生态情景，分别将黄雀、柳树、螳螂和蝉用箭头表示出它们之间的食物关系：________________。(本空格4分)
7.人体运动是以___杠杆，___为支点，___为动力形成的。
8.连线题
(1)乳酸菌醋
醋酸菌酸奶、泡菜
酵母菌面包、馒头
(2)药用动物蝴蝶鱼、凤尾蝶
珍稀动物蝎、蜈蚣
观赏动物猪、牛
食用动物扬子鳄、白鳍豚、麋鹿、大熊猫
9.请用动物行为的知识解释下列现象：
(1)有一种天蛾，当被敌害或受惊吓时，便会猛然张开双翅，从而露出翅上的眼斑，以恐吓对方。这是动物的___行为。
(2)蜜蜂白天采蜜晚上回巢休息。这属于动物的___行为。
(3)蜻蜓点水。这属于动物的___行为。
(4)两只雄性盘羊为争夺一只雌性盘羊而发生争斗。这属于动物的___行为。
10.(1)如右图所示，A是___，其作用是能产生___，
使骨___。骨中由于A的存在，说明此人处于___时期。
(2)图中D是____;D内有E，说明此人应该是___，
因此，E具有____功能。
(3)骨的表面是F，是由于_____组织构成的，
F内有细胞，对骨的生长和_____具有重要作用。
11.右图是关节结构模式图，请据图回答：
(1)关节能灵活运动是因为〔〕___内有少量滑液
和〔〕___表面光滑，从而减少骨与骨间的摩擦。
(2)关节能牢固是因为〔〕___把相邻两骨联系起来，
其里面和外面还有很多〔〕___起加固作用。
(3)脱臼是指〔〕___从〔〕___里滑脱出来。
12.一个同学用两根动物肋骨做实验，实验记录如下表：
称重(克)
实验现象
实验前
实验后
甲骨
6
4
有异味放出，处理后，骨轻轻一敲就脆
乙骨
6
2
有气泡放出，处理后，骨可以弯曲
(1).请问：
甲骨放在_____，去掉了骨中的_____;
乙骨放在_____，去掉了骨中的_____。
(2).处理过程中：
甲骨有异味放出是因为_______________。(本空格2分)
乙骨有气泡放出是因为_______________。(本空格2分)
(3)处理后：
甲骨变脆易断，重4克，证明了骨中含约占总重量____的是____物。
乙骨变柔韧，重2克，证明了骨中含约占总重量____的是____物。
以上是小编为大家整理的“八年级生物期末试卷检测”全部内容，更多相关内容请点击：
【摘要】“初二期末质量检测八年级生物试题”多做试题，在加深对知识点记忆的同时有可以帮助提高学习成绩，下面是小编为大家整理的初二生物试题，供大家参考，具体内容如下：
1.一朵花中，与繁殖后代直接相关的结构是
A.花瓣B.蜜腺C.雌蕊和雄蕊D.花丝和花药
2.西瓜是解暑的'佳品，西瓜果实中含有许多粒种子，这是因为花的结构中含有多个
A.子房B.雄蕊C.花药D.胚珠
3.被子植物的卵细胞存在于下列哪一结构中A.子房壁B.胚珠C.花粉管D.柱头
4.绿色开花植物要形成果实和种子，必须经过的两个必要生理过程是
A.开花和受精B.自花传粉和异花传粉
C.传粉和受精D.开花和传粉
5.下列所示为无性生殖的几种方式，其中属于压条的是
6.“碧玉妆成一树高，万条垂下绿丝绦，不知细叶谁裁出，二月春风似剪刀。”万千枝条及其绿叶，都是由植物体哪一结构发育而来A.根 B.芽C.叶D.茎
7.“有心栽花花不活，无意插柳柳成荫”，插柳成荫的原因是
A.柳树细胞分裂快B.柳树细胞生长快
C.柳树极易营养繁殖D.柳树极易有性生殖
8.玉米是我省重要的粮食作物。下面关于玉米的正确叙述是
A.玉米是单子叶植物.一粒玉米是由一个胚珠发育来的
B.在新鲜的玉米种子剖面上滴加碘液，变蓝的部分是胚
C.种子萌发时，胚根首先突破种皮发育成根并且子叶出土
D.玉米为雌雄同株，借助风力完成异花传粉
9.关于大豆生长发育过程的叙述，正确的是
A.在适宜的外界条件下，种下去的大豆种子就会萌发
B.由于子房内生有多个胚珠，所以在大豆果实中往往会含有多粒种子
C.一粒大豆种子就是一个果实
D.大豆的根系是由主根、侧根、不定根组成的直根系
10.人们常用“麻屋子、红帐子，里面住个白胖子”的谜语猜花生，在植物的个体发育中，“红帐子”是由什么发育而来?
A.珠被B.受精卵C.受精极核D.子房壁
11.小强家的果园中有些桃树品种老化，产量比较低，可以通过什么方法较快的获得新品种
A.选择新品种枝条作接穗进行嫁接B.利用原来的枝条进行压条
C.利用种子进行繁殖 D.利用原来桃树上的花粉进行组织培养
12.种子萌发时需要空气,其根本原因是
A.种子在不停地吸收水分 B.种子在不停地提供养料
C.种子在不停地进行呼吸 D.种子在不停地运送养料
13.关于传粉的说法，错误的是
A.单性花要进行传粉只能进行异花传粉
B.两性花都进行自花传粉
C.不同种植物间进行的异花传粉，花粉不能萌发或萌发不良
D.黄瓜进行异花传粉
14.下列叙述与桃花的特征相符合的是
①虫媒花②单性花③风媒花④两性花⑤自花传粉⑥花序⑦异花传粉
A.①④⑤B.②⑤⑦C.①④⑦D.②⑤⑥
15.观察菜豆种子结构时，发现子叶是连接在什么上的?
A.胚芽B.胚轴 C.胚根D.胚乳
16.根尖和芽都能迅速生长，主要是因为其内部具有发达的
A.输导组织 B.分生组织C.机械组织 D.保护组织
17.食用的花生油和小麦面粉分别来自于花生和小麦的
A.子叶子叶B.胚乳胚乳C.胚乳子叶D.子叶胚乳
18.田间一次施肥过多会使作物出现“烧苗”现象，可采用的补救方法是
A.移栽植物 B.疏松土壤C.减少光照 D.大量浇水
19.生命世代相续，生生不息，这是通过生殖来实现的。下列属于无性繁殖方式的是
A.家蚕的繁殖B.苹果的嫁接繁殖C.蛙的生殖D.鸟类的繁殖
20.家蚕的发育属于完全变态，其发育过程是
A.卵→若虫→成虫
B.卵→幼虫→蛹→成虫
C.卵→蛹→成虫
D.卵→蛹→幼虫→成虫
八年级单选训练题 篇3
1、党的十八届一中全会在北京人民大会堂举行，这说明北京是全国的()
A、经济中心B、政治中心
C、工业中心D、文化中心
2、北京的传统民居是()
A、土坯房B、窑洞
C、四合院D、吊脚楼
3、我国面积最大的岛屿是()
A、台湾岛B、海南岛
C、崇明岛D、调鱼岛
11.下列四种别称中与台湾不相符的是
A.东方甜岛B.水果之乡
C.东南盐库D.甜菜故土
12.台湾岛地处板块交界地带，是多地震地区之一
A.太平洋和亚欧B.太平洋和印度洋
C.印度洋和非洲D.美洲和非洲
13.下列风景名胜属于台湾的是
A.阿里山的'日月潭B.西湖的苏堤春晓
4、台湾省约80%的人口祖籍为()
A、浙B、粤C、闽D、桂
5、日本非法“购买”钓 鱼岛，遭到了中国人民的强烈谴责。调鱼岛自古就是
中国领土的一部分。请问调鱼岛属于中国的那一个省区()
A、福建B、台湾C、浙江D、海南
6、新疆维吾尔自治区在我国各省区中()
A、面积最大B、纬度最高
C、跨经度最多D、平均海拔最低
7、生活在塔里木河流域的人们，天越旱，越盼望出太阳的原因是()
A、这里的人们生活要在有太阳的环境里
B、出太阳，天气炎热，有利于葡萄干的晾晒
C、出太阳，天气越热，山上的冰雪融水就越多，河水越丰富
D、出太阳，天气晴朗，有利于采摘长绒棉
8、关于我国基本国情的叙述，正确的是()
A、国土辽阔，区域差异大
B、自然环境多样，资源分布均匀
C、人口众多，人均资源充足
D、气候种类单一，自然灾害较少
9、2010年，上海成功举办了()
A、奥林匹克运动会B、世界博览会
C、亚运会D、亚非会议
10、下列行为不符合节能减排要求的是()
A、用淘米、洗菜的水浇花B、垃圾分类回收利用
C、自备篮子买菜D、电脑一直处于待机状态
八年级单选训练题 篇4
1.下列词语中加点字注音完全正确的一项是()(2分)
A.藩篱(pān)绮丽(qí)褶皱(zhě)销声匿迹(nì)
B.簌簌(sù)疮疤(cuāng)伧俗(cāng)惟妙惟肖(xiāo)
C.归咎(jiù)蟾蜍(chú)丘壑(hè)五彩斑斓(lán)
D.瓦砾(lè)荒谬(miù)轩榭(xiè)重峦叠嶂(zhāng)
2、下列词语中有错别字的一项是()(2分)
A.驻足制裁因地制宜月明风清B.追溯帷幕大庭广众草长莺飞
C.肃穆琐屑天衣无缝物竞天择D.推崇颠沛日薄西山世外桃园
3.下列句子中没有语病的一项是()(2分)
A.老师的脸上浮现出了欣慰。
B.我们没有理由不珍惜今天的幸福生活。
C.中心明确是衡量文章好坏的重要标准。
D.这朴素的话语多么深刻的蕴含着人生哲理啊!
4.下列句式变换不符合要求的一项是()(2分)
A.将“淘宝商城出台的新规使得不少小店主被逼上了绝路”变换成“把”字句为：淘宝商城出台的新规把不少小店主逼上了绝路。
B.将“中国邮政太空邮局在北京航天城开通”和“杨利伟出任中国邮政太空邮局局长”合为一句为：杨利伟出任北京航天城开通的中国邮政太空邮局局长。
C.将“蒋门神被武松痛打一顿后一定不会善罢甘休”变为肯定句为：蒋门神被武松痛打一顿后一定会找武松报仇雪恨。
D.将“完成这项任务需要三年的时间”改成表示惊讶语气的'句子为：完成这项任务需要三年时间吗?
5、下列句子顺序排列正确的一项是()(2分)
①当然，门是造了让人出进的。
②我们都知道，门和窗有不同的作用。
③窗子和门的根本分别，决不仅仅是有没有人进来出去。
④窗子有时也可作为进出口用，譬如小偷或小说里幽会的情人就喜欢爬窗子。
⑤譬如从赏春一事来看：有了门，我们可以出去;有了窗，我们可以不必出去。
A.②①④③⑤B.②⑤③①④C.③①⑤②④D.⑤③①④②
八年级单选训练题 篇5
一、单项选择题(每小题1分，共25分)
1.养金鱼的鱼缸如果不经常换水，鱼就会出现“浮头”现象，甚至死亡，其主要原因是()
A.水中缺少氧B.水质容易变坏
C.水中微生物过多D.水中缺少食物
2.下列动物属软体动物的一组是()
A.海龟、河蚌B.扇贝、章鱼C.海蛰、河蚌D.水蛭、蜗牛
3.绿头鸭吃进的食物，经消化吸收后形成的残渣，0.5小时就可以排出体外，这一事实证明鸟类不贮存粪便，意义是()
A.可以摄入更多的食物B.减轻飞行时的体重
C.便于热量的散发D.加快体内物质的更新速度
4.观察水中游泳的鲫鱼时，会发现鲫鱼不停地用口吞水，由鳃孔排水，这是鲫鱼在()
A.滤取食物B.平衡身体C.调节比重D.呼吸
5.哺乳动物在生殖发育方面的主要特征为()
A.体腔内有膈B.卵生、哺乳C.体温恒定D.胎生、哺乳
6.下列动物中，具有胎生哺乳特征的是()()
A.天鹅B.鲨鱼C.海龟D.金丝猴
7.与家兔吃植物的习性相适应的特点是( )
A、体表被毛，B、体温恒定、犬齿锋利
C、牙齿分化为门齿、臼齿D、大脑发达、用肺呼吸
8.千姿百态的动物王国里，有些动物的身体内有由脊椎骨组成的脊柱，有些动物则没有。在下列生物中，全属于无脊椎动物的一组是()
A.家鸽、蜥蜴、青蛙B.蝗虫、蚯蚓、蜈蚣
C.鲫鱼、家兔、螳螂D.蚂蚁、蜜蜂、鲨鱼
9.兔能够迅速对外界环境变化做出反应，主要说明( )
A.具有发达的大脑和神经及四肢B.具有较大的耳朵
C.视觉敏锐.D.嗅觉发达
10.下列关于动物“语言”的叙述中，正确的是( )
A.动物的“语言”就是动物之间有联系作用的声音B.动物之间交流思想感情的信息
C.动物之间起传递信息作用的活动、声音、气味等信号D.动物的各种行为
11.下列各组生物中，完全用肺呼吸的是( )
A.大鲵和蜥蜴B.梭子蟹和蟾蜍C.壁虎和扬子鳄D.眼镜蛇和青蛙
12.关于昆虫的外骨骼的叙述中，不正确的是()
A.可以协助运动，是一种运动器官B.可以支持内部柔软器官
C.可以防止体内水分的蒸发D.可以保护内部柔软器官
13.青蛙、蟾蜍等两栖动物必须生活在水边，主要是因为()
A.成体既可以生活在水中，也可以生活在陆地上
B.成体用肺和皮肤呼吸
C.水边地形复杂，有利于隐蔽自己不被敌害发现
D.幼体必须生活在水中，用鳃呼吸;成体水陆两栖，用肺和皮肤呼吸
14.水螅常常可以捕到与自己身体差不多大小的猎物，这主要依靠()
A.刺细胞B.触手的缠结C.发达的'肌肉D.口的吞噬
15.下列不属于线形动物主要特征的是()
A.身体细长B.身体呈圆柱形C.体表有角质层D.有口无肛门
16.下列动物物中，是线形动物动物的是()
A.水螅B.蚯蚓C.涡虫D.蛔虫
17.我国的“四大家鱼”指的是()
A.青鱼、草鱼、鲢鱼、鳙鱼B.草鱼、鲫鱼、鲤鱼、大黄鱼
C.青鱼、鲤鱼、草鱼、鳙鱼D.青鱼、草鱼、鲢鱼、鲶鱼
18.下列动物中学习能力最强的是()
A.老鼠B.大山雀C.黑猩猩D.老虎
19.人类要保护青蛙的原因是()
A.青蛙是一些人的食物B.青蛙以农作物的害虫为食
C.青蛙是一种可爱的动物D.青蛙属于稀有动物
20.恒温动物比变温动物更具有生存优势的原因在于()
A.恒温动物耗氧少B.恒温动物需要的食物少
C.恒温动物更适应环境变化D.恒温动物需要的能量少
21.下列关于软体动物的说法，错误的是()
A.都具有贝壳B.是动物界的第二大类群
C.柔软的体表有外套膜D.运动器官是足
22.下列对于蚯蚓外部形态的描述，错误的是()
A.身体由许多体节构成B.体表干燥、粗糙
C.身体腹面有刚毛D.环带靠近身体的前端
23.人体内骨骼肌所接受的刺激是来自()
A.体内刺激B.骨骼肌内部C.体外刺激D.神经传来的刺激
24.下列行为中，属于先天性行为的是()
A.小狗做算术B.大山雀偷饮牛奶C.蜜蜂采蜜D.蚯蚓走迷宫
25.下列成语中与动物行为无关的是()。
A.狡兔三窟B.老马识途C.画蛇添足D.虎视眈眈
八年级单选训练题 篇6
1.绿色开花植物的双受精是指()
A.两个精子与两个卵细胞相融合的现象B.两个精子与两个极核相融合的现象
C.两个精子分别与卵细胞和极核相融合的现象D.一个精子与两个极核相融合的现象
2.无性生殖和有性生殖的本质区别是()
A.有无生殖细胞的`形成B.是否由一个亲本完成
C.有无两性生殖细胞的形成和结合D.有无细胞分裂和分化
3.下列生物新个体的产生，哪些是属于无性生殖()
①克隆羊“多莉”;②蛙的受精卵发育成蝌蚪;③试管婴儿④把仙人球嫁接到量天尺上;⑤鸡蛋孵化出小鸡;⑥“落地生根”的叶片边缘长出许多小植株;
A.①②③B.③④⑥C.①④⑥D.②④⑤
4.下列植物具有双受精现象的是()
A.松树B.银杏C.桃树D.肾蕨
5.家鸽的胚胎发育部位是()
A.卵黄 B.胚盘 C.卵黄膜 D.卵白
6.一颗豆荚，里面有3粒豆子，请问它分别由几个子房，几个胚珠发育而来?()
A.3，3B.1，1C.3，1D.1，3
7.水蜜桃味甜，毛桃味酸，现将水蜜桃(接穗)接到毛桃(砧木)上，成活后，结出的成熟果实，其味是()
A.酸味的B.酸甜适中 C.一半酸味，一半甜味D.甜味的
8.无性繁殖的优点是( )
A.获得的新性状多B.速度快，且保持亲本的原有性状
C.操作简便易行D.不受条件限制
9.昆虫完全变态发育与不完全变态发育的区别是()
A.有无卵期B.有无幼虫期C.有无蛹期D.有无成虫期
10.蝗虫的发育过程中，若虫与成虫的区别主要表现()
A.若虫身体较小，生殖器官没有成熟
B.若虫身体较小，无翅，无外骨骼
C.若虫身体较小，生殖器官发育成熟
D.若虫身体较小，有翅，有外骨骼
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