1.选择题- (共16题)
6.取经过编号的5支试管分别加入2mL 0．5mol／L过氧化氢溶液，进行如下实验，根据实验内容，下列说法正确的是
| 试管编号 | 1 | 2 | 3 | 4 | 5 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 加入物质 | 适量唾液 | 锈铁钉 | 生土豆块 | 熟土豆块 | 生土豆块+稀盐酸 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 实验结果 | 几乎无气泡 | 少量气泡 | 大量气泡 | 几乎无气泡 | 几乎无气泡
7.取经过编号的5支试管分别加入2mL 0．5mol／L过氧化氢溶液，进行如下实验，根据实验内容，下列说法正确的是
19.
Everyone who comes to the party is given a wooden apple with _____ own names cut in it as a souvenir.
21.
I found ________ impossible for _______ to work out the math problem.
22.
We all thought ______ a question ________we could raise enough money for the project.
23.
They were all tired, but _____ of them would stop to take a rest.
24.
____ is our belief that improvements in health care will lead to a stronger, more prosperous economy.
25.
I was disappointed with the film. I had expected _______ to be much better.
27.
Our manager allowed _______to take a holiday next week.
29.
When they met, they stopped and said hello to_______.
33.
We should always keep ______ well-informed of the changing information.
34.
___________ certain that his invertion will lead to the development of production.
35.
I’d appreciate _______ if you would like to teach me how to use the computer.
36.
I think it a great honor _____ to visit your country.
A．to invite B. inviting C. having invited D. to be invited
39.
It was at four o'clock in the afternoon ____ he and his grandpa reached the museum in Guanghan.
40.
It was only when I reread his poems recently______ I began to appreciate their beauty.
41.
It is the ability to do the job ______ matters not where you come from or what you are.
42.
It was not until 1920 ______ regular radio broadcasts began.
A. while B. which C. that D. since 试卷分析
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