Unit 5 Meeting your ancestors Learning about Language课时作业

Ⅰ.单句语法填空

1.（2016·江苏卷改编）Dashan, who has been learning （ learn） crosstalk, the Chinese comedic tradition, for decades, wants to mix it up with the Western stand-up tradition.

解析：考查动词时态。句意：大山，多年来一直学习中国传统的喜剧相声，想把西方的单口表演与中国相声相结合。题干中有for decades，强调学习的动作从过去某个时间开始，一直持续到现在，并有持续下去的趋势。故用现在完成进行时。

2.（2016·浙江卷改编） Silk had become (become) one of the primary goods traded along the Silk Road by about 100 BC.

解析：考查动词时态。句意：大约公元前100年，丝绸已经成为丝绸之路上最主要的交易商品之一。根据句意以及by about 100 BC可知，强调过去的过去的动作，故用过去完成时。

3. The students have been working (work) hard on their lessons and their efforts will be rewarded success in the end.　

解析：考查动词时态。句意：学生们一直在努力学习，他们的付出最终会获得成功的。根据题干可知，强调work的动作一直进行，故用现在完成进行时。

4.Over the past ten years, the sea level has been rising (rise) as a result of global warming.

解析：考查动词时态。句意：由于全球变暖，在过去的十年中，海平面一直在上升。根据题意可知，rise动作从过去某个时间开始，一直持续到现在，并有持续下去的趋势。故用现在完成进行时。

5.If times have changed (change), have our ways of thinking changed too？

解析：考查动词时态。句意：如果时代变了，我们的思维方式也会变吗？根据下文too以及谓语动词时态，可知用现在完成时，强调change的动作完成。

6.Our boss has been promising (promise) a raise in salary for ages, but nothing has happened yet.

解析：考查动词时态。句意：我们的老板一直许诺加薪好些年了，可到现在什么动静也没有。 现在完成进行时强调promise这个动作一直持续到现在，并有持续下去的趋势。

7.Recently I have been occupying (occupy) myself in writing my report on endangered animals, which is due to be handed in next Monday.

解析：考查动词时态。句意：近来我一直忙于写我的有关濒危动物的报告，这份报告定于下周一上交。根据题干可知，强调occupy的动作一直进行，故用现在完成进行时。

8.I, in common with many other middle-aged men, have met (meet) with the embarrassment of