1.选择题- (共7题)
2.有一种测定阿伏加德罗常数的方法需测定一定量NaCl晶体的体积，具体步骤为：准确称出一定量NaCl晶体置于定容仪器a中，用滴定管向仪器a中滴加某液体b 至a仪器的刻度线，即可测出NaCl晶体的体积。上述操作中的a、b分别指
2.单项选择- (共9题)
8.
Whenever she sees the ______ of bloody fighting on the screen, she will cover her eyes with her hands, ______at them.
| A．sights; not daring to look | B．scenes; daring not to look |
| C．views; dared not look | D．scenes; not daring to look |
9.
When I was talking to her about her table manners, she stared at me as if listening to me attentively but I could see that her mind ______somewhere else.
| A．wondering | B．walking | C．wandering | D．thinking of |
10.
The stranger ______ that he had walked into the reception room without anybody ______ him to.
| A．admitted; permitting | B．recognized; allowing |
| C．said; permission | D．admitted; admitting |
11.
Rather than ______ to a secure life, the young man prefers wandering about in big cities, enjoying himself.
| A．settle down | B．to settle down | C．settling down | D．settled down |
12.
______what many people thought, the graduate came here not to ______ fame or money but the true value of life.
| A．On the contrary with; look for | B．Contrary to; seek |
| C．Opposite to; search | D．To the contrary of; hunt for |
13.
Totally _____ accident, the businessman got hold of a ten-pound fake banknote that was believed to ______ two hundred years ago.
| A．by; have been issued | B．with; have come into use |
| C．in; have come out | D．at; have come into being |
14.
It still puzzles today’s scientists ______ some mammals produce their young ______ others lay eggs to produce their offspring( 后代)
| A．that; while | B．why; while | C．how; when | D．what; as |
15.
_______ you have masses of work to do, you don’t have to help me with the housework.
| A．So that | B．Now that | C．If that | D．in that |
试卷分析
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【1】题量占比
选择题:(7道)
单项选择:(9道)
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【2】：难度分析
1星难题：0
2星难题：0
3星难题：0
4星难题：0
5星难题：0
6星难题：0
7星难题：0
8星难题：9
9星难题：0