2000年,燃煤工业锅炉平均运行效率65%左右,比国际先进水平低( )个百分点。
A.16~21
B.15~20
C.17~22
D.15~19
参考答案:B
工程造价的确定要根据不同的建设阶段,分次进行。这种计价特点被称为()。
A.单件性计价
B.分部组合计价
C.多次性计价
D.按构成计价
根据句意及首字母提示写单词,完成句子。
1. His sister doesn't like F_____ fries.
2. The Greens usually have eggs for b_____.
3. Jackie Chan and Jet Li are s_____ action movie actors.
4. Can you h____ me with chess?
5. They s_____ these green shorts for five dollars,
6. Her birthday is N_____18th.
7. When is your English speech c_____ ?
8. Does Ben's sister want to go to a m_____ ?
9. Mrs Brown likes comedies and she likes Beijing O_____.
10. We all think thrillers are very s_____.