第二课时　Section A(3a～3b)1．cruelcruel作形容词，意为“残酷的；残忍的”。be cruel to意为“对……很残忍”。如：We shouldn't be cruel to animals.我们不应该对动物残忍。2．harmfulharmful作形容词，意为“有害的”，其名词形式是harm，意为“伤害；损害”。be harmful to意为“对……有害”，相当于do harm to。如：Excessive drinking does harm to the body.过度饮酒对身体有害。【拓展】后缀ful构成的常用形容词：use→useful(有用的，有益的)help→helpful(有帮助的，有益的)forget→forgetful(健忘的)care→careful(小心的，仔细的)pain→painful(疼痛的)wonder→wonderful(极好的)color→colorful(彩色的；色彩艳丽的)thank→thankful(感激的)beauty→beautiful(美丽的)【注意】末尾字母为y的，先把y变成i，再加ful!3．at the top ofat the top of意为“在……顶部或顶端”，其对应短语是at the bottom of，意为“在……底部/下部”。如：He worked his way to the top of his profession.他一步一步努力，终于成为行业内的翘楚。There are tea leaves at the bottom of my cup.我的杯底有茶叶。4．lawlaw作名词，意为“法律；法规”。常用短语：break the law犯法keep the law维护法制make a law制定法律obey the law遵守法律pass a law通过法律traffic law交通法5．scientificscientific作形容词，意为“科学上的；科学的”。如：We all support his scientific research.我们都支持他的科学研究。【拓展】science n．科学scientist n．科学家,　　01　　基础过关Ⅰ.根据句意及汉语提示填写单词。1．I think it's cruel(残酷的) of them to shoot the animals.2．With the development of industry(工业)，it will cause some pollution problems.3．Reading in the sun is harmful(有害的) to your eyes.4．The government has made some laws(法律) to protect the wild animals.5．We should use some scientific(科学的) ways to solve the problem.Ⅱ.用括号内所给单词的适当形式填空。6．Hainan is in the southern(south) part of China.7．We all support his scientific(science) research.8．This is an endangered(danger) animal.We should try to save it.9．Smoking is harmful(harm) to your health.You must give it up.10．In fact，about 70 million sharks are caught(catch) and traded every year.第 1 页


,　　02　　能力提升Ⅲ.阅读理解。(黄冈中考)Last week，Chicago became the first city in the US to join the “Lights Out Plan”．People turned off thelights in the city's tallest buildings so that thousands of birds could get to their winter homes.Every year in autumn，somebirds 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 brightthat birds may mistake them as stars.This means they can not find the right way to go home.This month，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.Butthere are other reasons，too.Birds need to look for food in the south.Another reason is that they want to have babybirds.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 migrate．Some birds can fly a verylong way.Sometimes they fly to other countries.We have fewer birds today because there are fewer places for birds.(D)11.Why did people in Chicago turn off the lights in the city's tallest buildings last week?A．Because people wanted to save money.B．Because people liked the dark night.C．Because people were afraid that birds would make much noise. D．Because people were afraid that birds would lose their way.(A)12.What does the underlined word “migrate” mean in Chinese?A．迁徙 B．定居 C．冬眠 D．重生(C)13.Today we have fewer birds because ________.A．lots of birds are often illB．people kill lots of birdsC．there are fewer places for birdsD．other animals eat them(A)14.Which of the following statements is NOT true?A．All birds fly to warmer places every year.B．Some birds have to fly to warmer places in autumn. C．Some birds can fly a long way to other countries.D．About 600 kinds of birds migrate in the world.第 2 页