8年级下册英语人教版Unit 7 What's the highest mountain in the world? Section A 课后作业（含答案）

Period 3(Section A 4a－4c)
一、词组翻译
1．最深的河流之一
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2．最高的建筑物
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3．重5 000公斤
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4．高350厘米
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5．出生时
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6．每天吃10公斤食物
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7．两条腿站立
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8．活到二十到三十岁
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9．一只成年熊猫
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10．比小象重很多倍
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二、完形填空
A recent study found people's lives are made __1__in North China. It showed life expectancy(平均寿命) had been cut down by 5.5 years there. Researchers think __2__the heavy air pollution in China should be to blame(承担责任). It's really __3__. Our government has already done something. __4__， it doesn't seem to work so well.
“Air pollution in China is doing harm __5__people's health. The harm is much __6__than we can imagine，” said Chen Yuyu of Beijing University, one of the researchers of this study.
Dirty air brings serious problems __7__ North China. In January this year, the air pollution was worse than __8__ in other places. That was caused by __9__ temperature and waste gas(废气) from coal heating.
Chinese government should strongly fight against air pollution. They should __10__more proper ways to deal with the problem. People should be encouraged to take buses, ride bicycles or walk, instead of __11__ cars. The factories that pollute __12__ should be closed.
“We need __13__ our environment, although it might be expensive. Protecting our environment means protecting__14__，” Li Hongbin, __15__ researcher of the study said.
(　　)1.A.longer　　　　B．shorter C．long　　　 　D．short
(　　)2.A.where　　　　B．if C．that　　　　 D．when
(　　)3.A.truly　　　 　B．fact C．truth　　　 　D．the truth
(　　)4.A.Though　　　B．However C．Instead　　　 D．Unless
(　　)5.A.to　　　 　B．for C．at　　　 　D．in
(　　)6.A.serious　　　 B．more serious C．most serious　　　D．the most serious
( )7.A.on　　　　 B．with C．in　　　　 D．between
(　　)8.A.that　　　 B．this C．it　　　 　D．those
(　　)9.A.rise　　　　 B．rising C．to rise　　　 　D．raise
(　　)10.A.come up　 　B．take up C．put down　　　　D．think of
(　　)11.A.driving　　　B．to drive C．drove　　　 　D．drive
(　　)12.A.big　　　 B．serious C．strong　　　 　D．heavily
(　　)13.A.improves　　B．improving C．to improve　　 　D．improve
(　　)14.A.us　　　　 B．our C．ourselves　　　　D．ours
(　　)15.A.another　 　B．other C．the other　　　 　D．others
三、阅读理解
A city's landmark(地标) is usually the first thing that causes tourists' attention(注意力). It is an icon of the city. Different cities have different styles of architecture(建筑风格). But a landmark means the most famous of it.
Big Ben, London, the UK
Big Ben in London, the UK has seen the history of the city. The clock was set up in 1858. It weighs 13.5 tons. It's the biggest clock in Britain. The sound of Big Ben is part of London people's lives. For over a hundred years, people have listened to its sound. They think of it as an old friend.
Sydney Opera House, Sydney, Australia
The Sydney Opera House is the symbol of Sydney and Australia. Its sail(帆) shape attracts(吸引) visitors around the world. But few people actually know that Utzon got the idea by peeling an orange. It took 14 years to build it, and was finished in 1973.
The Empire State Building, New York, the US
When you see this pencil－shaped building, you'll know you are in New York. The Empire State Building has 102 floors, which is about 443 meters tall. It took only 410 days to build it, and was completed in 1931.The building shows the ambition(抱负) of humans to build a tower that could reach for the sky.
Eiffel Tower, Paris, France
The Eiffel Tower stands for French people's creativity and imagination. It was built in 1889. At that time, the tower was thought to be a monster(怪物), because it was quite different from the traditional buildings with dome(穹形) tops. But later it turned out to be a miracle(奇迹) of metal(金属) architecture. Now it becomes one of the Europe's most famous tourist attractions.
(　　)1.Which building is the oldest
A．Big Ben. B．The Sydney Opera House.
C．The Empire State Building. D．The Eiffel Tower.
(　　)2.Which buildings are in the same continent(洲)
A．The Eiffel Tower and the Empire State Building.
B．The Sydney Opera House and the Eiffel Tower.
C．Big Ben and the Eiffel Tower.
D．The Sydney Opera House and Big Ben.
(　　)3.What does the underlined word “icon” mean
A．Museum.　　　B．Symbol. C．History.　　　　D．Flag.
(　　)4.Why did French people think the Eiffel Tower was a monster at first
A．Because it was too tall. B．Because it was all made of metal.
C．Because it didn't have a dome top. D．Because it was really different.
(　　)5.What's the best title(标题) for this article
A．Some Strange Buildings in the World B．A Tour around the World
C．Different Cultures of Different Cities D．The World's Famous Landmarks
四、根据句意及汉语提示完成句子
1．The price of ________(金子) was going up last year.
2．The scarf is made of ________(丝绸). It looks very nice.
3．The ________(内衣) is a little bit expensive.
4．Don't ________(欺骗) me, or I'll be angry with you.
5．Jim is a lazy boy. ________(没有人) likes him.
五、用方框中所给词的适当形式填空
1．Qomolangma is ________ than any other mountain in the world.
2．China is one of the oldest ________ in the world.
3．The Yangtze River is________ as long as the Amazon River.
4．This elephant ________ (weigh) many times more than this panda.
5．An elephant eats about 100 ________ of food a day.
六、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(每空不多于3个单词)。
The biggest shark can 1________ twelve meters long. It 2________(weigh) about 400，000 kilos. A shark is a kind of fish. We always feel 3 (scary)when we see their teeth. Do you know a shark 4 (lose) thousands of teeth in its lifetime A shark has several rows of teeth and they keep 5 (grow). When a tooth is lost, 6 tooth behind it moves forward within 24 hours.
Sharks are very large, 7________ they eat little. A shark eats about 2% of 8________(it) body weight each day. Sharks are dangerous animals. We once 9 (see) the news and movies that sharks attacked(攻击) humans. 10 fact, sharks won't attack humans if they are full. Even so, we'd better not swim near them. Sharks have a very good sense of smell. They can smell a drop of blood in 100 liters(公升) of sea water.
参考答案
Period 3
一、1.one of the deepest rivers　2.the highest building　3．weigh 5，000 kilos　4.be 350 cm
tall　5.at birth　6.eat 10 kilos of food a day　7.stand on two legs　8.live up to 20 to 30
years　9.an adult panda　10.weigh many times more than a baby elephant
二、1—5.BCDBA　6—10.BCABD　11—15.ADCCA
三、1—5.ACBDD
四、1.gold　2.silk　3.underwear　4.cheat　5.Nobody
五、1.higher　2.countries　3.almost　4.weighs　5．pounds
六、1.be　2.weighs　3.scared　4.loses　5.growing　6．another　7.but　8.its　9.saw
10.In