北师大版高中英语模块7第二十一单元词汇练习题

Unit 21 Human Biology
Ⅰ.品句填词
1.Heart is often compared to a ________.
2.The little boy was ____________ in the picture book.
3.He ______________ an egg without chewing.
4.After eating so much,we need a walk to ______________.
5.It worried us that the number of endangered animals was still on the ________________.
6.____________ (告知) of the meeting,he hurried into the meeting room.
7.Having ____________ (戒掉) smoking for 3 months,he looks much healthier.
8.After the _______________(爆发) of SARS,much attention was given by the government.
9.It’s necessary to build some ___________ (防御) works along the border.
10.The _____________ (严峻的) situation caused a panic in the city. Ⅱ.短语识境
1.Few people with brain injury can ________________ and live a life as before.
2.In ______________________areas,pollution is especially severe.
3.In Europe,one half of the population __________________ the Black Death.
4.Epidemics are described in his topical accounts __________________ 430 BC.
5.The doctor advised my brother to ______________ smoking as soon as possible.
6.In Western Medicine,treatment is only ______________________ the part of the body that is ill.
7.Chinese Medicine treats the body _____________________.
8.The government warned the people to ___________________ the spread
of Bird Flu.
9.Armstrong ___________________ having lung cancer.
10.After the failure of the operation,she cried ________________.
Ⅲ.完成句子
1.If I had stopped smoking 10 years ago,__________________________ (我今天会健康许多).
2.The book ______________________(我以为丢了) was just under my bed.
3.__________________________________________________ (SARS 被认为是最具危害性的传染病) in recent years.
4.Some virus have been around since ______________________________(地球上生命的开始).
5. Most people____________________________________________________（没有这种疾病的天然防御力）.
6.We should work together to______________________________________（阻止病毒的传播途径）.
第二节语法填空
阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空。

In the United States,there were 222 people 11 (report) to be billionaires (亿万富翁) in 2003.The
12 of these is Bill Gates,worth at least $41 billion,who made his money 13 starting the company Microsoft.Mr.Gates was only 21 years old 14 he first helped to set up the company in 1976.He was
a billionaire 15 the time he was 31.
16 ,there are still some other people who have made lots of money at even 17 (young) ages.Other young people who have been struck rich include Jackie Coogan and Shirley Temple. 18 of these child actors made over a million dollars 19 (act) in movies before they were 14.But 20 youngest billionaire is Albert von Thurn und Taxis of Germany,who,in 2001,inherited (继承) a billion dollars when he turned 18!
Unit 21 Human Biology
Ⅰ.品句填词
1.pump.
2. absorbed
3. swallowed
4. digest.
5. decrease.
6.
Informed 7. quitted 8. outbreak 9. Defence 10. Severe Ⅱ.短语识境
1. return to normal
2. highly populated
3. was lost to
4. as early as
5. give up
6. focused on
7. as whole
8.
be aware of 9. was diagnosed as 10. in despair.
Ⅲ.完成句子
1.I would be much healthier today
2.I thought I had lost
3.SARS was believed to be the most harmful epidemic
4.the beginning of life on earth
5.have no natural defences against the disease
6.stop the virus in its tracks
第二节语法填空
11.reported 12.richest/wealthiest 13.by 14.when 15.by
16.However 17.younger 18.Both 19.acting 20.the。