（2019版）人教版选择性必修第一册英语Unit5 单元预习学案 （无答案）.doc

1、A pioneer for all people 1.语法填空 Yuan longping, _(know) as the father of hybrid rice, is one of Chinasmostfamous_(scientist).Yet,heconsiders _(he) a farmer _ he _(continue) works the land in his research. Indeed, his slim but strong body is just like that of millions of Chinese farmers,_he has devote

2、d his life. Yuan _(bear) in1930 in BJ. His parents wanted him to pursue a career in science.However, _concerned him most was that farmers had poor harvests and had a _(short) of food. _ tackle this crisis, he chose to study agriculture. After _(graduate) , he worked as a researcher. He realised that

3、 larger fields were not the _(solve). Instead, farmers needed to boost yields. How this could be done was a _(challenge) question. Yuan _(convince) that the answer was hybrid rice. One _(character) is that they attain a higher yield than _(convention) crops. The common _(assume) was thatitcouldnotbe

4、done.Throughintenseeffort,Yuan _(overcome) difficulties to develop the first hybrid rice, which _(able) farmer to expand their output greatly. Today, it is _(estimate) that about 60 percent of domestic riceconsumptionis_(comprise)ofcrops _(generate) from hybrid rice. Yuans _(innovate) has helped man

5、y countries. _(give)thatYuanshybridshavemadehimquite _(wealth), one might think he would retire to a life of leisure.Instead,hemakeslarge_(donate)tosupport agricultural research. _ impresses people most is his ongoing ability _(fulfill) his dreams.His latest vision has become a _(real). _ his advanc

6、ed years, Yuan is still young at heart and full of vision. 2. 重点单词拼写 1) He has d_ his life to farmers. 2) Farmers had a serious s_ of food. 3) To t_ this c_, he chose to study agriculture. 4) Farmers needed to b_ yields. 5) Yuan _that the answer could be the hybrid rice. 6) One c_of hybrid rice is t

7、hat they a_ a higher yield than c_crops 7) The common a_was that it could not be done. 8) Through i_ effort, Yuan o_ enormous difficulties. 9) This hybrid enabled farmers to e_ their o_greatly. 10)Itise_that60percentofd_rice c_is c_of crops g_ from hybrid. 11)He would retire to a life of l_ 12)He ca

8、res little for c_or money. 13)His latest v_ has become a r_. 3. 短语句型 1) 追求事业 _ 2) 食物短缺_ 3) 解决难题_ 4) 扩大产量_ 5) 巨大努力_ 6) 克服难题_ 7) 增收_ 8) 国内消费_ 9) 由.组成_ 10)事实并非如此_ 11)在内心深处_ 12)不在乎名利_ 13)不断实现梦想的能力_ 14)最近的梦想_ 15)成为现实_ 16)尽管年事已高_ Unit5 reading 2 Para1 1. chemical pesticides-农药 2. Artificial fertilisers-人工

9、肥料 3. Be in widespread use-广泛应用 4. Welcome them as a great way to-欢迎它们作为一种.的好方法 5. Fight crop disease-抵御作物虫害 6. Increase production-增产 7. What some scientists have found is that-科学家发现 8. Long-term use -长期使用 9. Harm both the land and peoples health-伤害土地和人们健康 Para2 1. kill harmful bacteria and insects

10、-杀死有害细菌和昆虫 2. Stay in the soil and underground water sources for a long time-在土壤和地下水中存留很久 3. Make them ill-让人生病cause cancer-致癌 4. Grow too fast to be rich in nutrition -长得太快营养不足 5. Essential minerals-必需矿物质 6. Have less flavour-口感差 Para3 1. as an alternative-作为替代品 2. Shop at the local grocery-在当地杂货店购

11、物 3. Keep free of disease-远离疾病 Para4 1. for instance/example-例如 2. Why different crops are grown is because.种植不同作物的原因是. 3. Plant diverse crops that use different depths of soil. 种植对土地深度要求不同的作物 4. Put down deep roots-扎根土壤深处 5. The goal .is to.目标是 Para5 1. stop the use of man-made chemicals entirely-彻底停止使用人工化学品 2. What keeps them from doing so is.他们不能如愿的原因是. 3. Serve the high demand -满足高需求 4. Nowhere near able to meet that need-远远不能满足这一需求 5. There is still a long way to.还有很长的路要走 6. Put sufficient food on the dinner table-让人们有足够的食物可吃