高中英语 Unit3 Science and nature Project学案2 牛津译林版必修5.doc

unit3 science and nature projectenjoying a debatehaving a debate will be a good way of practising english. debating teaches how to be an effective speaker, using the language in a fluent and clear manner to be understood by your audience. as a result, it helps prepare you for tomorrows world. moreover, debating helps to develop your personality. working with your members, you can benefit a lot from all the activities involved in a debate. youll learn to overcome your shyness and speak up when your opponent challenges you. much importance has been attached to debating in high schools round the world, western countries in particular. why not enjoy a debate? it will be an amazing experience for you, me, and all. word/expression/sentence banksuperb, award, overdevelop, famine, anxiety, consume, transform, frighten, impress, production, eager, extinction, overdevelop,victim,horrible,pace,absurd,cautious, conflict, responsibtlity, illegally, administrationfollow in ones footsteps; deal with the consequences; toy with; at the mercy of; side effects; sustainable development; nuclear weapons; nuclear radiation; euthanasia; cloud seedingin fovor of; be strongly against; according to; a wide range of viewers; take into consideration; pandoras box；one persons meat is anothers poison.debate language athats one way to think about it, however,.at first sight, their argument seems to be true. but.the other team has tried to make some good points, however, they forgot to think about some very important issues, namely.dont you think it would be better., on the contrarythe point you have made is interesting but negated by the fact that.debate language bhonorable judges, distinguished guests, ladies and gentlemen. to start with, for one thing, for another; firstly, secondly, take for instance.according to your logicthe reason why., what i mean to say wasthe simple truth isa recent study has shown that, we believe it is necessary to dont win a debate but lose a friend. m5 u3 project. 单项填空1i just wonder how he can feed a family of eight on such a low _.a. basis b. stage c. income d. track 2it seems _ the poor guy is going to die of _.a. that; scare b. as though; fright c. as if; frighten d. that; scared3no one knows _effects the gm material might have on the food chain. a. what b. which c. whose d. how 4chemical pollution will bring about a threat to agriculture and food chain, and _ to human health.a. frequently b. significantly c. steadily d. consequently5.inoctober,thepriceofthe_tomounttaihasrisenby50yuan.a.permission b.admission c.introduction d.instruction 6. the poor mother had no choice but have her son _. she had no money to support him to finish the education he needed. a. adaptedb. adopted c. adjustedd. applied 7. all the teachers are well aware of the fact that most students, especially teens, need help and encouragement _ punishment. a. other than b. rather than c. or rather d. more than 8. had i known about this computer program, a huge amount of time and energy _. a. would have been saved b. had been saved c. must be savedd. was saved9. even if she is _ the proposal now, we cant rely on her support; she is the kind of person who blows hot and cold.a. in honour of b. in face ofc. in need of d. in favour of10. with efforts _ conservation, we may believe that people will enjoy a healthy life without the environment around them _.a. focused on; suffering b. focusing on; sufferingc. focused on; being suffered d. focusing on; suffered 11. “by no means,” declared the head teacher, “_ give way to disappointment in your studies.” a. you wouldb. you will c. shall you d. might you12. people have the belief _ factories should produce fewer things from raw materials, _ the supply is growing smaller and smaller.a. which; that b. that; of which c. that; whose d. which; whose 13. some special projects are _ to protect our environment, so we are sure that we are _ to having a clean and beautiful home in the near future.a. on the way; under way b. on the way; in the wayc. in the way; on the way d. under way; on the way14. its said that the food supplies in that flood-stricken area have _ and what is worse, the patience of the poor people there is _.a. run out; using up b. been run out; used upc. been used up; running out d. used up; being run out15. youd better get well prepared ahead of time for the busy days _,or you will have to end up _in vain.a. to come ; regretted b. to come; regretting c. coming; with regret d. coming; regretfulcbadb, bbada, cbdcbextensive reading is gm food a good bet?faced with shrinking farmland and an increasing population, the chinese government is taking an open attitude toward genetically modified (gm,) food. in november, the ministry of agriculture gave safety certificates for the production of two types of gm rice and one type of gm corn in china. the announcement caused great debate on the internet. in a recent survey conducted by china daily and , more than 85 percent of respondents were worried about the potential health hazards of gm food. several forums against gm food even posted messages requesting signatures from netizens against the commercialization of gm rice, using the slogan “saving our children”. “if the world has not reached a consensus on gm food safety, it is too proactive and risky to commercialize gm crops on a large scale,” said zheng fengtian, vice-dean of the rural and agricultural development institute at renmin university of china. however, supporters of gm crops have argued there is no clear evidence that gm crops pose safety risks to either people or the environment. wu yongning, a food safety specialist from the chinese center for disease control and prevention, said current studies have not proven gm food is harmful to consumers health. “i am not ruling out all possible risks, but the risks of gm food are no greater than those of traditional ones, given the heavy use of pesticides in growing traditional food,” he added. according to the international service for the acquisition of agri-biotech application (isaaa), about 224,000 tons of pesticide was saved during the decade between 1996 to 2006, thanks to the expansion of gm planting. another benefit of gm food is its amazing yields. huang dafang, director of the biotechnology research institute at the chinese academy of agricultural sciences, said that using gm technology would help the country achieve the target of increasing grain output by 50 million tons between 2009 and 2020. gm soybeans are already widely consumed in china, as well as in the united states. will gm rice be next? while scientists and social activists are taking their sides, yuan longping, “father of hybrid rice” and chinas top agricultural scientist, was neutral on gm food. “we shouldnt dismiss gm food just like that, some gm foods are safe”, said yuan, “i would like to volunteer to test gm rice”.extensive reading ascientists have found a gene that will allow rice to survive longer in rice paddies that are under water. they hope their discovery will mean the crops will last longer in regions that are regularly flooded. they also hope they will get bumper harvests. this is good news for the millions of people who suffer from food shortages because of heavy rains. the research is from teams from the university of california and the international rice research institute. their findings have been published in the science journal nature. frances government on wednesday asked a health watchdog to carry out a probe, possibly leading to eu suspension of a genetically-modified corn, after a study in rats linked the grain to cancer. another concern is that crop plants engineered for herbicide tolerance and weeds will cross-breed, resulting in the transfer of the herbicide resistance genes from the crops into the weeds.genetically-modified foods have the potential to solve many of the worlds hunger and malnutrition problems, and to help preserve the environment by increasing yield and reducing reliance upon chemical pesticides. yet there are many challenges ahead for governments, especially in the areas of safety testing, regulation, international policy and food labeling. however, we must proceed with caution to avoid causing unintended harm to human health and the environment as a result of our enthusiasm for this powerful technology.frank has a very positive attitude towards science and views its purpose as making new developments that improve the quality of life. he believes that gm food could have far reaching impacts on the world food economy and have the potential to bring both benefits, such as improving the nutritional content of food, and risks, such as impacting on farmers livelihoods.extensive reading bthe researchers believe the new gm milk is a healthy alternative to milk powder, which many infant nutritionists say is not so good for babies. researcher professor ning li said it would be as safe as milk from ordinary dairy cows. he believes it will be very popular, saying: “the milk tastes stronger than normal milk.” he said: “there are 1.5 billion people in the world who dont get enough to eat. its our duty to develop science and technology, not to hold it back.”extensive testing of gm foods may be required to avoid the possibility of harm to consumers with food aller