Unit 2 Period 1

Unit 2Working the landPeriod One Warming Up & Reading Ⅰ.用适当的介、副词填空1．If not，what kind ________ plant would you like to try growing?2．________，his sunburnt face and arms and his slim，strong body are just ________ those of millions of Chinese farmers，for whom he has struggled ________ the past five decades.3．________ then，finding ways to grow more rice has been his life goal.4．________ that time，hunger was a disturbing problem ________ many parts of the countryside.5．Dr Yuan searched for a way to increase rice harvests ________ expanding the area of the fields.6．In a recent harvest，________，nearly two hundred million tons ________ rice was produced.7．Dr Yuan is ________ satisfied with his life.However，he doesn’t care ________ being famous.8．Long ________ Dr Yuan had a dream about rice plants ________ tall as sorghum.9．Dr Yuan awoke from his dream ________ the hope of producing a kind of rice that could feed more people.10．One dream is not ________ enough，________ for a person who loves and cares for his people.Ⅱ.佳句翻译与仿写1．Have you ever grown any plants？If so，what did you do to grow them？If not，what kind of plant would you like to try growing?翻译____________________________________________________________________ ________________________________________________________________________ 仿写(1)下周你会有一个晚上有空吗？如果有，让我们一起吃顿饭吧。

Will you get a free evening next week？__________________________________________.(2)大家感到冷吗？如果不，让我们把窗户打开吧。

Is everybody feeling cold？________________________________________.2．Born in 1930，Dr Y uan graduated from Southwest Agricultural College in 1953.翻译_____________________________________________________________________ ________________________________________________________________________ 仿写(1)被这个青年的英勇行为所感动，我忍不住流下了眼泪。

________________________________________________________________________________________________________________________________________________(2)决心说服他父亲戒烟，他决定再作一次尝试。

________________________________________________________________________ ________________________________________________________________________ 3．Using his hybrid rice，farmers are producing harvests twice as large as before.翻译____________________________________________________________________ ________________________________________________________________________ 仿写(1)那里的人数是我们预料的两倍。

________________________________________________________________________(2)你只有我想象的一半自信。

________________________________________________________________________ 4．Indeed，he believes that a person with too much money has more rather than fewer troubles.翻译___________________________________________________________________ ________________________________________________________________________ 仿写(1)我总是愿意早开始，而不愿意把所有的事情都留到最后才做。

________________________________________________________________________ ________________________________________________________________________(2)在信上签名的应该是你而不是我。

________________________________________________________________________ ________________________________________________________________________ Ⅲ.单项填空1．________ he is one of China’s most famous scientists，Yuan Longping considers himself a farmer，for he works the land to do his research.A．Since B．UnlessC．Once D．Although2．Indeed，his sunburnt face and arms and his slim，strong body are just like those of millions of Chinese farmers，________ he has struggled for the past five decades.A．to whom B．about whomC．for whom D．of whom3．Dr Yuan Longping grows ________ is called super hybrid rice.A．how B．whatC．when D．which4．In 1974，he became the first agricultural pioneer in the world to grow rice that has a high ________.A．output B．processC．amount D．quantity5．This special strain of rice makes ________ possible to produce one-third more of the crop in the same fields.A．this B．that C．it D．what6．At that time，hunger was a ________ problem in many parts of the countryside.A．surprising B．surprisedC．disturbing D．disturbed7．Dr Yuan searched for a way to increase rice harvests without ________ the area of the fields.A．expanding B．extendingC．exploring D．enlarging8．Thanks to his research，the UN has more tools in the battle to rid the world ________ hunger.A．from B．withC．at D．of9．He feels it gives him less ________ to do his research.A．limit B．freedomC．allowance D．ability10．He ________ gives millions of yuan to equip others for their research in agriculture.A．however B．besidesC．but D．thereforeⅣ.阅读理解Bollworms are a traditional threat to cotton crops.Young ones feed on the boll，the part of the cotton plant that contains the seeds.A bacterium known as Bt is able to kill bollworms and some other pests.Bt is short for Bacillus thuringiensis(苏云金杆菌)．It was discovered in the early 20th century.Farmers began using Bt as a natural pesticide(杀虫剂)．Then，in the 1990s，researchers found a way to grow cotton plants that contain a Bt gene.The genetically modified cotton plant produces toxins(毒素) that kill bollworms.Farmers around the world are now growing about fourteen million hectares of Bt cotton.Cotton bollworms also attack other crops.But scientists in China recently reported that Bt cotton may help control bollworms in other crops growing nearby.The study involved crops grown in six provinces of northern China between 1992 and 2007.The study area contained three million hectares of cotton and twenty-two million hectares of corn，peanuts，soybeans and vegetables.The researchers say the study suggested that Bt cotton not only controls bollworm on the transgeniccotton，but also may reduce its presence on other crops.And that reduction，they say，may decrease the need for pesticide using in general.But the researchers also pointed out concerns.They say bollworms could develop resistance to the cotton plants designed to resist them.And they noted that insects called mirids have become “key pests” of cotton in China.They said this is because of a decrease in pesticide use made possible by Bt cotton.The researchers say they do not believe that Bt cotton alone can solve all insect problems.Instead，they say farmers in China should consider it just one part of pest management systems.Kong-Ming Wu of the Chinese Academy of Agricultural Sciences in Beijing led the study.The findings appeared in Science magazine.1．The underlined word “ones” in Paragraph 1 refers to ________.A．Bacillus thuringiensisB．bollwormsC．cotton cropsD．pesticides2．Which of the following statements about Bt is NOT true?A．It was discovered in the early 20th century.B．It is used as a natural pesticide.C．Its full name is Bacillus thuringiensis.D．It has no effect on any plant except cotton.3．According to the passage，we can know that ________.A．Bollworms only attack cottonB．Bt cotton produces toxins which can make bollworms dieC．Bt cotton is a kind of cotton with Bt in its cellD．Bt cotton is still in the stage of lab study4．The Bt cotton study in China shows that ________.a．Bt cotton may help other crops growing nearby resist bollwormsb．Bt cotton can solve all insect problemsc．bollworms could develop resistance to Bt cotton’s toxinsd．Bt cotton may decrease the need for pesticide usingA．a，b，c B．b，c，dC．a，c，d D．a，b，d5．What does this passage mainly talk about?A．A pesticide against bollworms.B．A study about bollworm-resistant cotton.C．Using bacterium as a natural pesticide.D．Key pests of cotton in China.battle n．战役，战斗生义：v t. & v i.搏斗；奋斗1．The two leaders are battling for control of the government.两位领导人正在争夺政府控制权。