内容正文:
课时作业(6) A卷 基础巩固
Ⅰ.单句语法填空
1.It occurred to her that she should adopt the homeless child.
2.I need plenty of time to finish the work.
3.Soon after,in 1945,they were married.
4.If it is convenient for/to you,we'll come tomorrow.
5.Only in this way can we work out the problem.
6.Mr.Zhang does what he can to help (help) us improve our English.
7.Thanks to his encouragement,I finally realized my dream.
8.I was overcome with surprise to hear him speak such good English.
9.Might the computers disappear from the earth in the near future?
10.He was known as a writer and was invited to attend the meeting.
Ⅱ.完成句子
1.Please open the window so that we can breathe fresh air.
请打开窗户,以便我们能呼吸新鲜空气。
2.To finish my work,I worked overtime late into the night last Friday.
为了完成我的工作,我上周五加班到深夜。
3.We can overcome any difficulty.
我们能战胜任何困难。
4.The magician made the rabbit disappear into the hat.
魔术师让兔子在帽子里消失了。
5.Thanks a lot for everything you did for me.
非常感谢你为我做的一切。
Ⅲ.阅读理解
Brain health is a key to successful ageing,and it involves several mental functions including memory,reasoning and planning.Memory defines who we are—without memory we have no past,cannot plan for the future and are unable to enjoy the present.Our reasoning and planning skills help us create and maintain healthy lifestyle habits that protect our bodies and minds.
People are living much longer than ever before.Those born in 1900 would have been lucky to reach their 50th birthday.Today,life expectancy in many countries exceeds 80,but unfortunately agerelated diseases such as Alzheimer's and diabetes can diminish quality of life.
As we age,brain cells that normally fight off infection and repair tissue begin to attack healthy brain cells.This causes inflammation (炎症) and can lead to cognitive deficits and disease.But adopting healthy lifestyle habits,such as eating fish,getting a good night's sleep and doing physical exercise,can slow and even reverse the process.
The typical 45yearold has worse memory than the 25yearold,