3.I developed very slowly and it took nearly two hundred years before I was built as an analytical machine by Charles Babbage.
我发育缓慢,差不多到了两百年之后,查尔斯·巴比奇才把我制成了一台分析机。
Ⅰ.单项填空
1.By the time you have finished this book,your meal
cold.
(2012·北京,22)
A.gets
B.has got
C.will get
D.is getting
答案 C
解析 句意为:等你读完这本书的时候,你的饭就凉了。by the time引导时间状语从句,从句中用现在完成时代替将来完成时,故主句应该用一般将来时。
(考查单元语法)
2.In the last few years thousands of films
all over the world.
(2011·天津,3)
A.have produced
B.have been produced
C.are producing
D.are being produced
答案 B
解析 句意为:在过去的几年里,全世界拍摄了成千上万部电影。根据时间状语in the last few years可确定时态为现在完成时,然后根据films与produce的关系可确定使用被动语态。故空格处应为现在完成时的被动语态。
(考查单元语法)
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