必修2 Unit 1 课下作业（一~三）
课下作业（一） 考点过关针对练
Ⅰ.单词拼写
1．Lhakpa joined an expedition of five women in 2000 who convinced (劝说) the government to give them a permit.
2．Let us assume (假定) that people may live to 150 in the future.
3．The crash occurred (发生) when the crew shut down the wrong engine.
4．Though there are no other witness (目击者), Lucy insists she saw a man in the yard that night.
5．The expression is probably bad (以……为基础) on church customs.
6．His ancestors (祖先) had come to America from Ireland.
初一地理上册
7．He was dismisd (解雇) from his job for breaking the company safety regulations.
8．I'd prefer to rerve (保留) my judgment until I find all the evidence.
9．二人三足游戏规则Like her mother, Irene was awarded (授予) a Nobel Prize, along with her husband, in 1935.
10．His clothes were not appropriate (适当的) for a job interview, so it is not surprising that he did not get the job.
11．Dominic's train was due (预期的) in at five and he'd asked for a lift back from the station.
12．Now, we have a special offer for 10 days, during which you can enjoy a half price discount (折扣) and a free delivery.
13．So far, he has collected enough evidence (证据) of the wild man's existence.
14．In the face of the tensions and pressures we all face every single day, a n of humour (幽默) can be helpful.
15．In some cas (情况), manufacturers promote them as cancer fighters and heart protectors.
Ⅱ.单句语法填空
1．Not once did it occur to Michael that he could one day become a top student in his class.
2．Italy, which has a much weaker tradition of immigration, has 知名猎头公司witnesd (witness) a sharp increa in immigration in recent years.
3．David's strength (strong) is that he won't give up whatever difficulty he meets with.
4．The bridge designed by the famous architect is under construction (construct) now.
5．The driver of the truck suffered only minor injuries (injure) to his legs and arms.
6．The forecast said that there口罩怎么带's a possibility (possible) of snow tonight.
7．Einstein's colleagues convinced him to write (write) to President Franklin about building a nuclear weapon.
8．We were expecting thirty people to come, but half of them never showed up.
9．The value and impact of motivation goes beyond our social circle and existence (exist)．
10．The teacher awarded Tom for his good behavior.
Ⅲ.单句改错
1．Assumed that you are right, we'll make a great deal of money from the project.Assumed→Assuming
2．To play such puzzled games can increa the intellectual level of children.puzzled→puzzling
3．The exercis are designed to strength your stomach muscles.strength→strengthen
4．That occurred to her that she might adopt a homeless child.第一个That→It
5．You should give some evidence to make yourlf convincing.convincing→convinced
6．He died in 1940, but his wife survived him for another 20 years.for→by
7．The woman awarded D|S100 with the boy for saving her son.with→to
8．You are often reminded that chances are belong to the young men.去掉第二个are
9．Taxies are expensive and riding the subway requires dozen of steep steps to ge
t below the ground.dozen→dozens
10．Among the cris that face humans is there the lack of natural resources.去掉there
Ⅳ.完成句子
1．There exist many differences in higher education between China and America.
中国和美国的高等教育有很多不同之处。
2．In order to help the students understand better, the teacher made双卡交火 up an interesting story.
为了帮助学生们更好地理解，老师编了一个有趣的故事。
3．At the school gate 菲律宾的英文sat an old woman, waiting to e her grandson.
一个老太太坐在校门口，等着看她的孙子。
4．Do call your parents when you get to Peking University.
你到北京大学后务必给你的父母打电话。
5．It occurred to 练习写字模板me that I had left my umbrella upstairs.
我突然想起来我把伞忘在楼上了。
课下作业（二） 话题阅读培优练
情人节是那天
Ⅰ.根据提示填空
Way back in 1674, a frog helped Antoni van Leeuwenhoek make an incredible
❶discovery (discover)．Antoni was an amateur ❷scientist (science) from Holland, so
❸fascinated (着迷的) by ❹microscopes (显微镜) that he'd built some of his own.One rainy day, as he went for a walk, a leaping frog drew his attention to a puddle (水坑)
．Antoni collected a drop of puddle water and put it under his microscope.He was ❺amazed (amaze) to e a whole community of ❻creatures (生物) swimming in this one drop — tiny beings no one had ever en before.The tiny beings, called ❼microbes (微生物), are everywhere: in dirt, in food and on your kitchen table.You even would find your body has more microbes than the world has people — over 6 billion! Microbes can't ❽survive (存活下来) on their own.They need food.After ttling into a home — you, for instance — they steal vitamins and other nutrients and leave behind dead cells and poisonous liquids called toxins.Some microbes can make you sick.People usually call the ones germs.❾Luckily (lucky) for you, there are more helpful (help) microbes, working together to keep you healthy, than bad ones.
