1.选择题- (共3题)
3.已知反应A2（g）+B2（g）=2AB（g），断开1molA2中的化学键消耗的能量为Q1 kJ，断开1molB2中的化学键消耗的能量为Q2kJ，生成1molAB中的化学键释放的能量为Q3kJ（Q1、Q2、Q3均大于零），则下列说法正确的是（ ）
2.单项选择- (共8题)
4.
Many workers are out of ______ condition. Therefore, the union fights ______ better working conditions.
| A．a, against | B．/, for | C．/, with | D．the, for |
5.
Kathy, _________ for months to find a job as a typist, finally took a _________ at a local travel agency.
| A．struggling, condition | B．struggling, position |
| C．having struggled, position | D．struggled, condition |
6.
He pretended _______ me when we met in the street.
| A．not to know | B．not to be knowing |
| C．not having known | D．not knowing |
7.
John thinks it won’t be long _________ he finishes the tough work.
| A．when | B．after | C．since | D．before |
8.
I called Mary many times yesterday evening, but I couldn’t get through. Her brother _________ on the phone all the time.
| A．was talking | B．has been talking | C．had talked | D．talked |
9.
some people regard as a disadvantage is seen as an advantage by many others.
A．Whether B. What C. That D. How
A．Whether B. What C. That D. How
10.
Sam said the work would be done by December, _____ personally I doubt very much.
| A．it | B．that | C．when | D．which |
试卷分析
-
【1】题量占比
选择题:(3道)
单项选择:(8道)
-
【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：6
7星难题：0
8星难题：2
9星难题：0