1、第二课时Section A(3a3c) 01基础过关.用括号内所给单词的适当形式填空。1Hainan is in the southern(south) part of China.2We all support his scientific(science) research.3This is an endangered(danger) animal.We should try to save it.4Smoking is harmful(harm) to your health.You must give it up.5In fact，about 70 million sharks are
2、 caught(catch)and traded every year.单项选择。(C)6.Keep away from these computer games.Theyre _ to teenagers.Ahopeful Buseful Charmful(A)7.It is reported that the food that Chinese people _every year is enough to feed 200 million people for a year.Awaste Bhave Cmake(C)8._ Mike _ his brother always rides
3、a bike to work instead of driving a car.They think its good for their health and the environment.AEither；or BNeither；nor CNot only；but also(B)9.This city develops very fast.Workers _ many buildings in the last five years.Ahave attended Bhave built Chave prevented(C)10.Something must _to protect the
4、sharks because many of them are endangered now.Ado Bdone Cbe done02能力提升.阅读理解。Last week，Chicago became the first city in the US to join the “Lights Out Plan”People turned off the lights in the citys tallest buildings so that thousands of birds could get to their winter homes.Every year in autumn，some
5、 birds fly over Chicago on their way to the south and come back the next spring.Lights mean danger to birds.Birds find their way by looking at the stars in the sky.Lights in tall buildings are so bright that birds may mistake them as stars.This means they can not find the right way to go home.This m
6、onth，about 300 types of birds are flying over Chicago to go back to the south to live through the cold winter.Birds fly to warmer places for a few reasons.Many birds cannot live in the cold，so they fly to warmer places.But there are other reasons，too.Birds need to look for food in the south.Another
7、reason is that they want to have baby birds.Many birds like to have their baby birds in the same “house” they lived in last year，so they fly back there.There are about 9，000 kinds of birds in the world，and about 600 kinds of birds migrateSome birds can fly a very long way.Sometimes they fly to other
8、 countries.We have fewer birds today because there are fewer places for birds.(B)11.Why did people in Chicago turn off the lights in the citys tallest buildings last week?ABecause people wanted to save money.BBecause people were afraid that birds would lose their way.CBecause people were afraid that
9、 birds would make much noise.(A)12.What does the underlined word “migrate” mean in Chinese?A迁徙 B定居 C冬眠(C)13.Today we have fewer birds because _.Alots of birds are often illBpeople kill lots of birdsCthere are fewer places for birds(A)14.Which of the following statements is NOT true?AAll birds fly to warmer places every year.BSome birds have to fly to warmer places in autumn.CSome birds can fly a long way to other countries.
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