北京市八年级英语上册 Unit 2 How often do you rcise课后练习二（含详解）（新版）人教新目标版.doc

unit 2 how often do you exercise题1：i _ (通常) go to school by bike, but _ (有时候) by bus.题2：1. lisalovesreading.she_ readsinherfreetime.a. hardly b.often c.never d.seldom2. i dont always have lunch at school. i _ eat at home.a.sometimes b.usually c.hardly d.often3. -do you often give your mother gift?-no, _. a.sometimes b.usually c.never d.always题3：1. -_ do you take the medicine a day?- three times.a. how often b. how long c. how soon d. how many times2. -_ is the old man?- more than 70.a.how long b.how soon c.how often d.how old3. -_ is the toy?- 30 yuan.a.how long b.how much c.how often d.how many4. -_ classes do you have everyday?- 8.b. how much b. how long c. how many d. how many times题4：1. around _ the forest is destroyed every year.大约每年百分之十的森林被破坏。2. half of the food _ bad.（go）一半的食物已经变坏了。3. two thirds of the teachers in our school _ women.（be）我们学校三分之二的老师是女老师。4. about 70 percent of his money _ spent on books every year.(be)每年，他的钱百分之七十都被花在买书上。题5：1. _ it was raining, _we stayed at home.a. because, so b. because, / c. although, / d. although, but汉译英：因为我正忙，所以现在不能做此事。2. _.3._ _ _.题6：1. may i ask you _ a photo of your family?a.about b.for c.to d.with 2. he asked me _ for a moment.a.to wait b.wait c.waiting d.waited3. the teacher asked the students _ the homework on time.a.finish b.finishing c.to finish d.finished4. do you have any questions to ask me _ our school trip?a.to b.with c.for d.about题7：1. my father goes to work _. feeding animals is his _ work.a. every day, every day b. everyday, every dayc. every day, everyday d. everyday, everyday2. doing morning exercises is his _ habit.做早操是他的日常习惯。3. she exercises _ to keep healthy.他每天做锻炼来保持健康。题8：1. reading in bed _ our eyes.躺着读书对我们的眼睛有害。2. our teachers _ us.老师对我们很好。3. enough rain _ crops.充足的雨水对庄稼有好处。4. my brother _ playing chess.我弟弟擅长下棋。题9： everyone knows that exercise is important. we need to exercise. doctors say it is good for us. it keeps our bodies strong. when the daytime comes, we must get up. this is the time for exercise. exercise means doing things with the body. there are many ways to exercise. you can walk, run, swim, skate, or play ball games. make sure you excise in the following ways: you have to like what youre doing. exercise enough-but not too much. it is good to exercise twice each week. thirty minutes each time is enough. try all kinds of things until you find one, two or three sports that feel right for you. exercise can be fun. friends can exercise together at fitness center, or they can play sports together. how do you exercise?1. in the passage the writer tells us that we all need to_.a. drink b. relax c. exercise d. work2.which of the following sports cant we find in the passage?a. fishing b. running c. swimming d. walking3. what does exercise mean?a. it means doing things with the body b. it means studyingc. it means doing lessons. d. it means playing4. what can exercise do to the body?a. it can make the body weak b. it can make us sleep morec. it can make the body sick d. it can make the body healthy5. the words “fitness center” in the passage mean_a.减肥中心 b.健身中心 c.购物中心 d.医疗中心 课后练习详解题1：答案：usually; sometimes解析：本题意在考查程度副词，usually“通常”；sometimes“有时候”。题2：答案：bac解析：1. 据上文，“丽萨喜欢阅读”，可知她在自由时间经常读书，故选择b，often“经常”。hardly“几乎不”；never“从不”；seldom“很少”。2. 据上文，“我并不总是在学校吃午饭”，可知句意为，“我有时候在家吃”。sometimes“有时”；usually“通常”；often“经常”；hardly“几乎不”。not always在频率上和sometimes相当，故选择a。3. “你经常送妈妈礼物吗？”“不，从来没有”。故答案为c，never“从不”。sometimes“有时”；usually“通常”；always“总是”。题3：答案：ddbc解析：1.据答语，“三次”，可知在问次数，选择d，how many times“多少次”。how often“多久一次”提问频率，how soon “多长时间后”，用in + 时间段回答；how long“多久，多长时间”提问时间段。2. 据答语“70多”，可知句意为“老人多少岁了”，选择d。how old“多大了”提问年龄；how long“多久，多长时间”提问时间段；how soon “多长时间后”，用in + 时间段回答；how often“多久一次”提问频率。3. 据答语“30元”，可知句意为“这个玩具多少钱”，选择b。how much“多少钱”提问价格；how long“多久，多长时间”提问时间段；how often“多久一次”提问频率；how many“多少”提问可数名词的量。4. 句意为，“你每天多少节课”，故选择c，how many“多少”提问可数名词的量。how much“多少钱”提问价格；how long“多久，多长时间”提问时间段；how many times“多少次”。题4：答案：10 percent of；has gone; are; is解析：1.“.中的百分之.”由百分数+of+the名词构成，故答案为10 percent of。2. 分数百分数作主语，谓语动词根据所修饰名词确定单复数。food不可数按单数，又因为时态为现在完成时，所以答案为has gone。3. 分数百分数作主语，谓语动词根据所修饰名词确定单复数。teachers为复数，所以填are。4. 分数百分数作主语，谓语动词根据所修饰名词确定单复数。money不可数按单数，所以填is。题5：答案：b; because i am busy, i cant do it now./ i am busy, so i cant do it now.解析：1. because 和so不连用，即有了because就不可以再用so。2. because 和so不连用，即有了because就不可以再用so。3. because 和so不连用，即用so就不可以再用because。题6：答案：bacd解析：1.句意为，“我能要你一张全家福吗？”ask sb. for sth. “向某人要某物”，故答案为b。2.句意为，“他要我等一会”。ask sb. to do sth. “要求某人做某事”，故答案为a。3.句意为，“老师要求学生按时完成作业”。ask sb. to do sth. “要求某人做某事”，故答案为c。4.句意为，“关于我们的学校旅行，你有什么要问我的吗？”。ask sb. about sth. “询问某人关于某事”，故答案为d。题7：答案：c；everyday；every day解析：1.句意为，“爸爸每天去上班。喂养动物是他的日常工作”，every day“每天，天天”副词性短语，在句中做状语；everyday形容词“日常的”，作定语修饰名词，故选择c。2. everyday形容词“日常的”，作定语修饰名词，故填everyday。3. every day“每天，天天”副词性短语，在句中做状语，故答案为every day。题8：答案：is bad for; is good to; is good for; be good at解析：1.be bad for“对.有害”。2. be good to“对.友好”。3. be good for “对.有益”。4. b