北师大选修一Unit 3 Part 1 TOPIC TALK分层练习（含解析）

UNIT 3　CONSERVATION Part 1　TOPIC TALK 基础过关练 Ⅰ.单词拼写 1.The prices of some 　　　　(一件商品) in that shop have decreased by 60%. 2.Because of their small size and weight, 　　　　 (塑料制的) straws cannot be 　　　　(回收利用). Ⅱ.选词填空 have a role, do one's part, work on, be bad for, cut down 1.Moore's dad reminded her that sugary treats 　　　　　　 her teeth. 2.As a member of the international society, we　　　　　　 to play. 3.We are constantly being reminded to　　　　　　 our fat intake. 4.He returned to America where he set out to　　　　　　 a new novel. 5.In the past decade, the administration has 　　　　　　 in environmental protection. Ⅲ.单句语法填空 1.He lives a very simple life as a man who has become 　　　　　 (incredible) rich. 2.The　　　　　(destroy) of the environment is one of the most serious challenges we face. 3.In his spare time, he either listens to soft music to relax himself or switches 　　　　　 the TV to watch the news. 4.His story is so　　　　　(inform) that you can really benefit from it. 5.Russell says he broke the law for staying　　　　　(illegal) for five days in November. 6.It is illegal for hunters　　　　　(hunt) rare animals. 7.The class is discussing a newspaper article　　　　　urges citizens to help reduce noise and air pollution in the city. 8.All eight species of pangolins(穿山甲), four in Africa and four in Asia, are in danger of 　　　　　(extinct) due to the illegal trade. 9.He is unlikely to be a threat　　　　　the Spanish player in the final. 10.She was about to cry out when she heard her father　　　　　(urgent) telling her to keep quiet. Ⅳ.完成句子 1.我访问的每一个国家也都在这个项目中发挥作用。 Each of the countries that I'm visiting also 　　　　 　　　　 　　　　 　　　　 　　　　 　　　　 　　　　 　　　　. 2.我明白保护环境就是保护我们人类自己。(see) 　　　　 　　　　 　　　　 　　　　to protect the environment is to protect us human beings. 3.当我老了,我希望我能像她陪伴我一样陪伴我的孩子们。 When I am older, I hope I could be there for my children the way　　　　 　　　　 　　　　 　　　　 　　　　.(读后续写—心理描写) 4.Work hard at English and you will make progress. (句型转换) →　　　　 　　　　 　　　　 　　　　at English, you will make progress. 能力提升练 Ⅰ.阅读理解 With needle-like teeth and a sharp pointed nose, a gray nurse shark isn't a creature that most people would want to meet. But Shalise Leesfield isn't one ofthem. The Australian teenager couldn't think of a better creature to meet when scuba diving off the coast of South West Rocks, near her home in Port Macquarie, a coastal town north of Sydney. “Many people say gray nurse sharks look frightening, but I think they are the sweetest animals,” she says. The slow-moving sharks, which like to stay near the seafloor in warm, shallow waters, are—for the most part—harmless to humans. But the gray nurse shark is under threat. Populations have decreased and habitats have been lost due to ocean warming and huma ... ...