Unit 2 Section B 课时专练 2024-2025学年人教版八年级英语上册

八年级上册 Unit 2 课时专练 Unit 2 How often do you exercise? Section B 课时专练 一、单项选择 1. — _____ do you exercise a week? — About 10 hours. A. How often B. How many C. How many hours D. How long hours 2. Eating ______ food is good for our ________. A. health; healthy B. healthy; healthy C. healthy; health 3. ________ they are twin brother, _________ they don’t look like each other. A. Although; / B. Although; but C. But; although D. But; / 4. A bird flew into the kitchen _______ the window. A. Across B. above C. through D. under 5. Many children ________ in the accident(事故). A. death B. dead C. died D. dies 6. About thirty _________ the students say they like English very much. A. percent B. percents C. percent of D. percents of 7. Ninety percent of mountains _______ green and eighty percent of water ______ clean in our town. A. is; is B. is; are C. are; is 8. — Do you know ________ the volleyball game in Rio? — Yes. The players worked very hard. ____________, China won. A. the result of; As a result B. as a result; The result of C. as a result; As a result D. as result; The result of 9. It’s good ________ you ________ milk every day. A. for; drink B. for; to drink C. of; to drink D. of; drinking 10. If you have a toothache(牙痛)， you can go to see a __________. A. writer B. dentist C. teacher D. policeman 二、根据句意及首字母或汉语提示完成句子。 1. Let’s finish the work t_______________. 2. The workers were very tired, but n___________ of them stopped to have a rest. 3. He still went on working, a__________ he was very tired. 4. Half of the students are girls. That means 50 p____________ of the students are girls. 5. It’s healthy for the m__________ to listen to music. 6. He started the ______________(杂志) with a school mate. 7. He likes listening to music _________________(在线). 8. His son is _____________(这样的) a lovely boy. 9. The teacher told us not to watch too much _______________(电视) at home. 10. Susan often stays up late and sleeps _____________(较少) than six hours every night. 三、用括号内所给单词的适当形式填空。 1. How many ____________(point) did you get? 2. The ___________(write) new book is very popular. 3. The best way _____________ (relax) is through exercise. 4. Linda spent twenty dollars _____________(buy) a dictionary. 5. Enough sleep is good for our ______________(healthy). 6. William Shakespeare ____________(die) over 400 years ago. 7. You can learn English by ______________(read) every day. 8. They are always busy _______________(play) football in their free time. 9. Don’t be worried, help _____________(you) to some fish, Jeff. 10. It’s necessary for us _______________(talk) to our parents when we have problems. 四、用方框中所给单词或短语的适当形式填空。 hardly ever, sports, less, more, healthy, however, left, volleyball, health, went How often do you exercise? I’m sorry to say that I exercise 1_________ than once a week. I know it is not a 2___________ way of living for a 17-year-old boy. 3____________, I really don’t have much time to exercise. I love 4____________. I used to be(过去是) a member of the swimming team and the 5_____________ team in school. I 6___________ swimming every Monday and Thursday, and I played volleyball every day after school. But I 7_________ the teams in September last year, because I had to spend much 8________ time on my study. Now I have little time to do sports or have fun. I 9____________ watch TV or play computer games either. The summer holiday is coming. My father asks me to play sports with him. He thinks 10____________ is very important. I hope I have time to exercise with him. 以下是这些题目的答案及解析： 一、单项选择 1. C 解析：根据回答“About 10 hours.”可知是对时间长度的提问，A 选项“How often”问频率；B 选项“How many”问数量；D 选项“How long hours”表述错误，C 选项“How many hours”符合。 2. C 解析：“healthy”是形容词，修饰名词“food”；“our”后接名词，“health”是名词，C 选项符合。 3. A 解析：“Although”引导让步状语从句，不能与“but”连用，A 选项符合。 4. C 解析：“through”表示从内部穿过，鸟从窗户内部飞进厨房，C 选项符合。 5. C 解析：“death”是名词；“dead”是形容词；“die”是动词，根据语境此处用动词过去式“died”，C 选项符合。 6. C 解析：“percent of...”表示“......的百分之......”，A 选项“thirty percent”后需接“of”，B 和 D 选项“percent”形式错误，C 选项符合。 7. C 解析：“percent of + 名词”作主语时，谓语动词的单复数取决于“of”后的名词，“mountains”是复数，用“are”；“water”是不可数名词，用“is”，C 选项符合。 8. A 解析：“the result of...”表示“......的结果”；“As a result”表示“结果”，A 选项符合。 9. B 解析：“It's + adj. + for sb. to do sth.”表示“对某人来说做某事是......的”，B 选项符合。 10. B 解析：“toothache”需要看牙医，B 选项“dentist”符合。 二、根据句意及首字母或汉语提示完成句子 1. together 解析：“Let’s finish the work together.”表示“让我们一起完成工作”。 2. none 解析：“none of...”表示“（三者或三者以上）都不”。 3. although 解析：“although”表示“虽然，尽管”。 4. percent 解析：“50 percent”表示“百分之五十”。 5. mind 解析：“It’s healthy for the mind...”表示“对心灵健康......”。 6. magazine 解析：“magazine”表示“杂志”。 7. online 解析：“online”表示“在线”。 8. such 解析：“such a...”表示“这样一个......”。 9. television 解析：“television”表示“电视”。 10. less 解析：“less than”表示“少于”。 三、用括号内所给单词的适当形式填空 1. points 解析：“How many”后接可数名词复数，“point”的复数是“points”。 2. writer’s 解析：“writer’s”表示“作者的”，名词所有格。 3. to relax 解析：“the best way to do sth.”表示“做某事的最好方式”。 4. buying 解析：“spend...(in) doing sth.”表示“花费......做某事”。 5. health 解析：“our”后接名词，“healthy”的名词是“health”。 6. died 解析：“ago”是一般过去时的标志，“die”的过去式是“died”。 7. reading 解析：“by”是介词，后接动名词，“read”的动名词是“reading”。 8. playing 解析：“be busy doing sth.”表示“忙于做某事”。 9. yourself 解析：“help oneself”表示“请自便”，根据“Jeff”可知用“yourself”。 10. to talk 解析：“It's + adj. + for sb. to do sth.”表示“对某人来说做某事是......的”。 四、用方框中所给单词或短语的适当形式填空 1. hardly ever 解析：“hardly ever”表示“几乎不”，符合“少于一周一次”的意思。 2. healthy 解析：“a healthy way”表示“一种健康的方式”。 3. However 解析：“However”表示“然而”，表转折。 4. sports 解析：“love sports”表示“喜欢运动”。 5. volleyball 解析：“volleyball team”表示“排球队”。 6. went 解析：“went swimming”表示“去游泳”，过去式。 7. left 解析：“left the teams”表示“离开队伍”，过去式。 8. more 解析：“much more time”表示“更多的时间”。 9. hardly ever 解析：“hardly ever”表示“几乎不”，强调很少看电视和玩游戏。 10. health 解析：“thinks health is very important”表示“认为健康很重要”，名词作宾语。 1 学科网（北京）股份有限公司 $$