专题03 Units5-1温故基础综合练-【寒假自学课】2022年高二英语寒假精品课（人教版2019 选择性必修1-2）

专题03【 Unit5（选择性必修1）- Unit 1（选择性必修2）】 类型 题型 词汇基础练 单词拼写 选词填空 完成句子 话题综合练 阅读理解 完形填空 书面表达 Part1词汇基础练 Exercise 1单词拼写 1．His strains have ________(允许) China's farmers to produce around 200 million tonnes of rice per year. 2．This hybrid enabled farmers to ________(扩大) their output greatly. 3．With ________(足够的、充分的) scientific information a manned trip to Mars should be feasible. 4．We are surrounded every day by thousands of ________ (化学品). 5．The government has taken measures to help people get rid of _____(贫穷).（ 6．Plants in desert usually have long _____（根）． 7．The elderly and children are having a hard time in the _____(最深处) of winter. 8．_____ (化学的) factories do great harm to the air. 9．Valentino is keen to see _____ (名人) parading his clothes on big occasions. 10．She has to _____ (克服) great difficulties to make a life in a new city. 11．The traffic accidents in the city ________ (减少) last year. 12．It is only by powerful armies that we can ________(保卫) our motherland and homela