unit2单元知识回顾默写练习.pptx

; ___________ ____________ ________________ ____________________ _____________ ______________; ______________ ___________ _______________ _________________ ___________________ __________________ _________________ __________________; _______________ ____________________ __________________________ ______________ ______________; _______ ________ _______ __________ __________________ ___________; ________________ ___________________ ____________________________ ________________ __________________________________;Ⅱ.完成句子(共5小题；每题4分，满分20分) 12.Farmers used to ___________________________________________，but they___________________________. 农民过去常与各种自然灾害作斗争，但他们还是被饥饿困扰。 13.Although ________________________ways to __________________________ _______，__________________，their efforts were in vain. 尽管几十年来他们一直在努力寻找谷物增产的方法，但令他们非常遗憾的是，他们的努力都白费了。;14._____________________ on the hybrid rice，farmers are now producing harvests______________________. 多亏他对杂交水稻的研究，农民们种出的粮食是以前的两倍。 15.It has _______________for 22% of the world’s population ______________ _______. 这使得世界22%的人口摆脱饥饿成为可能。 16._______________________________ ，many farmers ___________________ advanced technology from developed countries. 配备有先进的设备，许多农民更关注学习来自发达国家的先进技术。;Ⅲ.知识运用于语境(共10小题；每题2分，满分20分) A New Farming Way Tuan was a farmer in Vietnam.For decades，he 17.____________________ (struggle) to rid his family of hunger.However,18.__ always confused him how to expand the output of his crops.This 19.__________ (disturb) problem led to his regretting being a farmer.He would rather have chosen 20._______ job. One day,21.______ skimming through a newspaper，Tuan read a comment on Yuan Longping.He underlined Yuan’s nationality and 22.___________(occupy)，and then focused on his discovery and the statistics of his research.;He found the knowledge Yuan circulated very 23.________ (practically).Therefore， he made a summary and began to build up 24.__ new farming method.He planted super grain of rich nutrition and equipped himself to keep his crops