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问题 选择题

He told his friends that he ___ what he was reading at the same time the day before.

A．was just asked

B．just asked

C．had just asked

D．had just been asked

答案

答案：D

动作应发生在主句谓语动词told之前, 因此应用过去完成时, 又由于动作是被动的,所以只有选D项了.

听力题

1. The sudden disaster shocked the people and__________(to damage something completely) everything in sight.

2 I tried every means to__________(to make someone decide to do something) her to give up smoking, but I failed.

3. Paul is reasonable in most cases but he can also be as__________(not willing to change one's mind) as a mule.

4 Having a large__________(词汇量) is very helpful in learning a foreign language.

5 The school has a system of__________(奖励，报酬) and punishments to encourage good behaviour.

6. The government__________(预测) that more people would get jobs the next year.

7. The new headmaster is a quiet and__________(rely) man who wins everyone's respect.

8. Staying in a cage with a lion is the most__________(fright) experience in my life.

9. No force on earth can stop the passage of time, only those who work__________(self) are able to gain time.

10. Wang Feng will hold another concert to express his thanks to the__________(devote) fans.
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选择题

LiFePO4新型锂离子动力电池是奥运会绿色能源的新宠。已知该电池放电时的电极反应式为：正极

FePO4+Li++e-==LiFePO4，负极 Li－e-==Li+下列说法中正确的是 [ ]

A．充电时电池反应为FePO4+Li = LiFePO4

B．充电时动力电池上标注“+”的电极应与外接电源的正极相连

C．放电时电池内部Li+向负极移动

D．放电时，在正极上是Li+得电子被还原

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