题目内容

The Internet has brought _____ big changes in the way we work.

A. about B. out C. back D. up

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Some people like drinking coffee, for it has _____ effects.

A. promoting B. stimulating C. enhancing D. encouraging

_____ the price is, they are prepared to pay.

A. However B. whichever C. whatever D. wherever

29下面是某地区标准厂房工程造价指数表，按照指数分类，表中的指数相对于2000年7月的指数属于（）。

A. 定基数指数和数量指标指数
B. 环比指数和质量指标指数
C. 定基数指数和质量指标指数
D. 环比指数和数量指标指数

Mrs. White became a teacher in 1985. She _____ for twenty years by next summer.

A. will teach B. would have taught C. has been teaching D. will have been teaching