上期总结:
1.A has increased by 6 times=A has increased 6 times 都是指 A 增加了6倍
4. 这里 nor 作为否定连词，用 not … nor 这个句型。如：
He can't do it, nor can I, nor can you, nor can anybody.
他不能做这事，我也不能，你也不能，任何人都不能。
5. the passage of time: the passing of time
passage n. 通过 ,  经过 ,  通道 ,  通路 , ( 一 ) 段 , ( 一 ) 节
With the passage of time, they forgot their bitter sufferings.  随着时间的流逝，他们忘却了所遭受的苦难。

练习:
1._____ ( 据说 ) the painter used his aunt as the model in that painting.

2.Most of the people who die in earthquakes _____ ( 是正在倒塌的建筑物砸死的 ).

3. Most people tend to believe that “ the newer, the better, ” _____ ( 尽管并不总是这样 ).

4. _____ ( 没有人不称赞他们 ) for their great accomplishment.

5. _____ ( 毫无疑问 ) he is qualified for the job.

参考答案:
1. It is said that

2. are killed by falling buildings

3. though that is not always the case

4. There is no one who does not praise them

5. There is no doubt that