人教版（2019）必修 第二册Unit 2 Wildlife protection Discovering Useful Structures课堂提高练（含解析）

人教版2019必修二 Unit 2 Discovering Useful Structures（课堂提高练） 学校:_____姓名：_____班级：_____考号：_____ 一、单词拼写 1．The flight was cancelled d to bad weather. (根据首字母提示拼写单词) 2．When you are in Australia, you can easily find k with their babies in their pockets. （根据首字母单词拼写） 3．D to the fact that they did not read English, the prisoners were unaware of what they were signing. （根据首字母单词拼写） 4． (减少)the gap between the rich and the poor is one of the challenges the new government is facing now. (根据汉语提示单词拼写) 5．Only in this way can we know whether the old lady lives in our (附近). (根据汉语提示单词拼写) 6．Smoking will get gradually banned throughout indoor public spaces, workplaces and public (交通). （根据汉语提示单词拼写） 7．The number of crimes in this region has from more than 200 to less than 60 this year. （根据句意填写单词） 8．Nowadays, healthy lifestyles are being a (倡导) in society. （根据中英文提示填空） 9． [r ’dju s] plastic waste isn’t easy, because so many daily necessities are made of plastic. (根据音标拼写单词) 10．I bought this shirt because the price was r (减少) from 20 to 12. (根据中英文提示单词拼写) 二、完成句子 11．我得记下你的手机号码，以便以后与你保持联系。(根据汉语意思完成句子) I shall write down your phone number . 12．这种产品的生产成本下降了三分之一。 The production cost of this product was _____ _____ _____ _____. 13．由于有了汽车，美国人很快就获得了前所未有的行动自由。 the automobile, Americans soon had a freedom of movement previously unknown. 三、阅读理解 Elephants are truly incredible animals. August 12 is World Elephant Day which means to help save elephants. What do you know about elephants Here are some facts you may not know. We know that elephants are large. But did you know that elephants often avoid eating a type of acacia tree(金合欢树), because it is home to ants and an elephant doesn’t want to get the ants inside its trunk. Its trunk is full of sensitive nerve endings(敏感神经末梢). Female elephants live in groups of about 15 animals. The oldest in the group is the leader. She decides not only when and where they move but also when they rest all the year. Male elephants leave the female groups between age 12 and 15. But they aren’t loners. They live in all-male groups. Asian elephants don’t run. Running requires lifting all four feet at once. But elephants filmed in Thailand always kept at least two on the ground at all times. Elephants have passed the mirror test. They recognize themselves in a mirror. According to tests, great apes(巨猿), and dolphins(海豚) also have this ability. Elephants can get sunburned so they take care to protect themselves. “Elephants will throw sand on their backs and on their head to keep them from getting sunburned and to keep bugs off,” said Tony Barthel, working at Smithsonian’s National Zoo. How do elephants protect their young Adult elephants will put them in sand and then they will stand over the little ones a ... ...