2019-2020年高中英语2轮总复习 专题2 第2课时时态语态知识考查学案
2019-2020年高中英语2轮总复习 专题2 第2课时时态语态知识考查学案(xx届汕头市四校联考) Scientists have developed a nonstick chewi
2019-2020年高中英语2轮总复习 专题2 第2课时时态语态知识考 查学案 (xx届汕头市四校联考) Scientists have developed anonstick chewing gum. The new gum can 16.__________ (remove) easily from pavements, shoes and clothes. It's the result of polymer(聚合体) research at the University of Bristol and could be launched mercially next year. 17.__________ it catches on, the product will solve 18.__________ major headache for present authorities around the world. “The advantage of our Clean Gum is that 19.__________ has agreat taste, it is easy to remove and has the potential to be 20.__________ (environment) degradable(可降解的)，” said Terence Cosgrove, aprofessor of chemistry 21.__________ helped to found apany called Revolymer to mercialize the technology. Today's chewing gums are made from synthetic(人造的，合成的) latex(胶乳), which is resistant 22.__________ the weather and is strongly sticky. The new gum adds aspecial polymer to modify its properties, 23.__________ (make) it far 24.__________(sticky). In two street trials, other mercial gums remained stuck to the pavement 25.__________ Clean Gum came away naturally in all cases. 【答案及解析】 16. be removed 考查谓语动词的时态语态，该句主语和谓语的关系显然是主语为 动作的承受者，用被动语态；在情态动词后，接动词原形，故应该填 be removed。 17. If 考查状语从句的连接词，句意是“如果这种清洁香口胶流行 (catch on) 的话，将能解决一件让世界上当代政府头疼的事”，引导条件状语从句，用if。 【答案及解析】 18. a考查不定冠词的使用，可数名词单数前面应加冠词或形容词性的物主代词， 该处填 a表示 one 的意思。 19. it 考查代词的使用，分析句子成分可知，that 从句缺少主语，故应该填 it
