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课时提升作业(一)
必修1 Unit 1
Ⅰ. 单项填空
1. It is reported that the countries attending the opening ceremony of the London Olympics 229.
A. added to B. added up
C. added up to D. add
2. (2013·北京模拟)Some people got injured and some even got killed in the floods in Beijing in the summer of 2012, which made us .
A. comfortable B. nervous
C. calm D. upset
3. Shenzhou-Ⅸspacecraft and Tiangong-Ⅰdocked(对接)successfully, making the whole nation hardly down.
A. set B. calm C. put D. take
