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1、课时提能练(五)必修1Module 5A Lesson in a Lab课时作业A：基础层面.单句语法填空1Twenty students want to attend the class that aims to_teach(teach) how to read fast.2I listened to his adventure with a mixture(mix) of amusement and disbelief.3The business has_expanded(expand) from having one office to having twelve so far.4The
2、 conclusion(conclude), I think, he drew from his simple experiment is not scientific.5Sadness is a normal reaction(react) to lifes struggles, setbacks, and disappointments.单句改错1Many people have come to realize that they should keep a balancing diet.balancingbalanced2So far, our school has brought in
3、 some new equipments.equipmentsequipment3It was astonished to find his reading ability improved so much.astonishedastonishing4You should put your things in the order after you play with them.去掉the5The doctor thought that would be good for you to have a holiday.thatit .选词成篇I 1.used_to take part in vo
4、luntary work at a childrens hospital in my hometown, where I learned that a child is less likely to be born with disease if its pregnant mother changes her eating habits.I 2.found_out that food preservatives(防腐剂) in particular may be a reason, so I decided to do some research 3.in_the_area_of food s
5、afety.Before I started my experiment, I made sure other people 4.were_kept_out_of my lab.During the experiment, I observed how the materials 5.reacted_with each other.Of course, I 6.was_supposed_to set down all the results for future reference.After I finished my scientific report, I excitedly signe
6、d my name 7.at_the_bottom_of it.In the course, I learned not only how to conduct a scientific experiment, but also how to express my research result.Most importantly, I 8.was_proud_of myself.根据提示补全句子1这个国家欢迎以物质和现金形式的外国援助。(form)The country welcomes foreign aid in_the_form_of material and cash.2我相信这次旅行
7、会大大加深我们的知识。(add)The trip, I believe, will add_greatly_to_our_knowledge.3问题越难，他回答出来的可能性就越小。(the比较级 .，the比较级 .)The_more_difficult the questions are, the_less_likely he is able to answer them.4你通晓中国文化是必要的。(it beadj.to do .)Its_necessary_for_you_to_have_a_good_knowledge_of Chinese culture.5这是你今天早上要的文件。(
8、here引起的完全倒装句)Here_is_the_document you asked for this morning.课时作业B：能力层面.阅读理解 (2019湖南省六校联考)If I scratch your back and you scratch mine, then were both better off as a resultso goes the principle of reciprocity.As humans, we are familiar with the concept, whether it is by buying rounds of drinks or ex
9、pelling diplomats.But do animals also help those who help them? The answer may be yes.A paper by Dolivo and Taborsky shows that Norway rats will only give as good as they get.In their laboratory, Dolivo and Taborsky first trained rats to pull a stick that provided a food item within the reach of a r
10、at in a neighboring cage separated from them by wire mesh(铁丝网)They then introduced a further treatment in which an experimental rat was placed in a cage with other caged rats on either side.On one side the rat pulled a stick that provided pieces of carrot to the rat in the central cage, while the ot
11、her pulled a stick that produced banana pieces.In the following trials the focal rat (the one in the central cage) had the opportunity to repay the other rats using the same stick tool to deliver food items.Now, the rats had typically turned their noses up at the carrot and showed a strong preferenc
12、e for the more desirable banana.On the basis that the bananaproviding rat should be therefore remembered as the superior partner, the authors predicted that in the test phase(阶段) the focal rat would more readily provide help for bananaoffering rats than for carrotoffering rats.This proved to be the
13、case: the rats that had provided better help in the past received greater rewardsit seemed that they were behaving reciprocally.Dolivo and Taborskys experiments show that rats can recall the quality of help provided and by which rat, and adjust their behavior so as to invest more time and energy in
14、helping those that helped them.It is apparent that we shouldnt undervalue the ability of animals to engage in reciprocity.【语篇解读】本文是一篇说明文。文章详细介绍了Dolivo和Taborsky用挪威老鼠做实验得出结论的过程。实验的结果告诉人们，我们不应该低估动物的互惠能力。1What does the underlined word “reciprocity” probably refer to?AThe act of being kind to other peopl
15、e.BA cooperative exchange of favors.CA positive attitude to everything.DThe quality of being generous.B词义猜测题。根据第一段第一句中的“If I scratch your back and you scratch mine, then were both better off as a result”可知，如果两个人互相抓背，则两人都能得到好处；由此可推知，reciprocity意为“互惠”，故B项正确。2What would happen if a rat pulled the stick
16、?AIt would find some food in its own cage.BOther rats would be able to enter its cage.CAnother rat in another cage would get food.DIt would be able to enter a neighboring cage.C推理判断题。根据第二段的内容和第三段尾句“On one side the rat pulled a stick that provided pieces of carrot to the rat in the central cage, while the other pulled
