人教版必修三Unit 2 Healthy eating using language课时作业（3）.docx

unit 2 healthy eating using language课时作业第一节 语法填空 （每小题1.5分，满分15分）ifyougoouttothefieldsat night in spring or summer, you can hear frogs singing _1_(joy) here and there. it seems as if they were performing a field symphony（交响乐）.the frog is a good and useful creature that benefits human beings. they can catch fast-moving insects. each frog eats a large number of pests that are _2_(harm) to crops. this little creature is regarded _3_“the natural enemy of pests”._4_, frogs are getting fewer and fewer now. this is_5_they are killed and put on the table as a delicious dish by their chief enemy, human beings. it is a shameless and cruel act, isnt it? another reason responsible for the rapid reduction of frogs is _6_farmers use insecticides (杀虫剂) to kill pests and frogs get _7_(kill)as a result of drinking poisoned water or eating poison-killed insects.something must be done without delay _8_(save) frogs. if we dont punish those _9_sell and kill frogs to make money, then one day all of us _10_(punish) by nature for failing to keep the balance of nature.第二节：应用文写作（15分）假如你是李华，正在英国参夏令营(summer camp)活动，已到英国两个星期了，并住在英国学生carol家里。你给妈妈写信介绍你在英国的情况。内容包括：1. 住家（host family）的情况；2. 夏令营有参观博物馆、参观著名景点、到英国著名高中参加课堂活动等。3. 你对夏令营活动的感受。注意：1.次数80左右；2.适当增加细节，以使行文连贯。dear mom,ive been in england for two weeks. everything is going on very well here._第二节 七选五 （共5小题；每小题2分，满分10分） 根据短文内容，从短文后的选项中选出能填入空白处的最佳选项，选项中有两项为多余选项。 every rainy season, the mountain gorillas (大猩猩) of central africa migrate to the foothills and lower parts of the virunga mountains to feed on bamboo. for the 650 or so that remain in the wild, its a vital food source. 1 gorillas arent the only locals keen on bamboo. for the people near the mountains, its a valuable raw material used for building houses and making household items. but in the past 100 years, resources have come under increasing pressure as populations have exploded and large areas of bamboo forest have been cleared to make way for farms. 2 all over the world, the ranges of many bamboo species appear to be reducing, endangering the people and animals that depend upon them. a report published by the un environment programme has revealed just how profound our ignorance of global bamboo resources is.bamboo is a wonder plant. its ecological role extends beyond providing food and habitat for animals. bamboo tends to grow in stands made up of groups of individual plants that grow from root systems. its extensive root systems are crucial in preventing water loss and soil erosion. 3 in india 25% of paper produced is made from bamboo fiber, and in brazil, 100,000 hectares of bamboo are grown for its production. because of its flexibility and strength, it has traditionally been used in construction. bamboo is often the only readily available raw material for people in many developing countries. 4 ray townsend, vice president of the british bamboo society, says, “some plants are threatened because they cant survive in the habitatthey arent strong enough or there arent enough of them, perhaps. but bamboo can take care of itself-it is strong enough to survive if left alone. 5 ” when forest goes, it is transformed into something else: there isnt anywhere for forest plants such as bamboo to grow if you create a cattle grass land.a. sadly, this isnt a single story.b. it is the physical disturbance that is the threat to bamboo.c. until now, bamboo has been viewed as a second-class plant.d. without it, their chances of survival would be reduced significantly.e. besides, bamboos most immediate significance lies in its economic value.f. more than a billion people rely on bamboo for either their shelter or income.g. despite bamboos value in economy and ecology, its situation is all the more worrying. 第三节：短文改错(共10小题；每小题1分，满分10分)假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。增加：在缺词处加一个漏字符号()，并在其下面写出该加的词。删除：把多余的词用斜线()画掉。修改：在错的词下画一横线，并在该词下面写出修改后的词。注意：1.每处错误及其修改均仅限一词；2只允许修改10处，多者(从第11处起)不计分。last week, my friends and me went to watch jay chous performance in guangzhou. there are crowds of cheerful fans there, many of who came from other cities. jay began his performance with one of his most famous song. we all cheered and shouted out his name, but some even cried with joy. when jay began to sing the seventh song it called sunny day, it started to rain. therefore, the concert was not interrupted and we got even more exciting in the rain. at last, jay finished the concert with a speech, thank his fans for always supporting him. what memorable experience!第四节 应用文写作阅读下面短文，根据其内容写一篇60词左右的内容概要。（25分） feeding the worlds growing population is a big challenge, and it is about to get bigger. right now, a little more than 7.3 billion people share the planet. by 2050, some scientists estimate, the worlds population may reach 9 billion. although many people dont believe it, that is the conclusion reached by some scientists. just three cropswheat, rice and cornprovide more than two-thirds of the calories that people consume. such crops, and a small number of other important crops, come from farming regions sometimes referred to as “breadbaskets”. these areas often occupy a relatively small portion(部分) of the globe. worse still, the breadbaskets are easily affected by bad weather. events such as widespread flooding or extended heat wave can kill crops. thats especially true if the bad weather occurs when a crop is young, fruiting or approaching harvest.unfortunately, big crop failures in two or more breadbaskets could lead to what researchers call a “food shock”. that means an overall shortage of food would occur. extreme food shocks used to happen every century. or to put it another way, thats only about once in very four generations of humans. however, according to studies, as the climate warms, high and low temperatures become more extreme, and by 2050, food shocks could occur about once every 30 years. in other words, a person born in the middle of the current century might live through two or three extreme food shocks during their lifetime.so what can people do to help avoid food shocks? making agriculture efficient is one choice. but one of the most effective ways to fight against food shocks might be to cut down on food waste. “if we could cut food waste in half,” said seth cook, a british environmental scientist, “we could feed an extra billion people.”概要写作（满分25分） feeding the worlds growing population is a big challenge, and it is about to get bigger. right now, a little more than 7.3 billion people share the planet. by 2050, some scientists estimate, the worlds population may reach 9 billion. although many people dont believe it, that is the conclusion reached by some scientists. just three cropswheat, rice and cornprovide more than two-thirds of the calories that people consume. such crops, and a small number of other important crops, come from farming regions sometimes referred to as “breadbaskets”. these areas often occupy a relatively small portion(部分) of the globe. worse still, the breadbaskets are easily affected by bad weather. events such as widespread flooding or extended heat wave can kill crops. thats especially true if the bad weather occurs when a crop is young, fruiting or approaching harvest.unfortunately, big crop failures in two or more breadbaskets could lead to what researchers call a “food shock”. that means an overall shortage of food would occur. extreme food shocks used to happen every century. or to put it another way, thats only about once in very four generations of humans. however, according to studies, as the climate warms, high and low temperatures become more extreme, and by 2050, food shocks could occur about once every 30 years. in other words, a person born in the middle of the current century might live through two or three extreme food shocks during their lifetime.so what can people do to help avoid food shocks? making agriculture efficient is one choice. but one of the most effective ways to fight against food shocks might be to cut down on food waste. “if we could cut food waste in half,” said seth cook, a british environmental scientist, “we could feed an extra billion people.”_参考答案语法填空1joyfully 2.harmful 3. as 4. however 5. because6. that 7. killed 8. to save. 9.who 10 . will be punished七选五 .daegb写作dear mom， ive been in england for two weeks. everyth