请用本单元所学单词的适当形式填空。

Maybe under these ________ we may say that man can conquer nature．

请用本单元所学单词的适当形式填空。

When they got remarried, they found it difficult to get along with the children by the ________ marriage．

请用本单元所学短语的适当形式填空。

When I invited him to my birthday party, he immediately said“yes”________．

以下是从本单元课文中摘出的原句。试试看，能填上吗？要注意词形变化！

1．While they are sleeping, people ________ the things around them．

2．Scientists have ________ what they call rapid eye movement(REM)sleep and find out most dreams happen when people are in REM sleep．Scientists have also found that the eyes of sleeping people are moving and their brains are ________ waves．To find out how the brain waves work, it ________ think of the brain as an engine．Both the REM sleep and the brain waves happen ________．

3．The conclusion to be drawn from the experience was ________ by the dream：that you should not become nervous ________．

4．The third dream function ________ Freud and his followers ________ was that of wish-fulfillment．

5．In this way messages are sent to the sleeping mind ________ us ________ the need to awake in order to take some form of action．

6．________, I repeated the story so often that I began to ________ it ________ something that happened to me．

请根据下列提示写出相应内容。

1．发动机n．________→工程师n．________→工程(学)n．________

2．结论n．________→结束，终止v．________→最后的adj．________

3．使满意v．________→满意的adj．________→满意n．________→(短语)到某人满意的程度________

请根据下列提示写出相应内容。

1．dive v．________

2．theory n．________

3．百分比n．________→百分比率n．________

请根据下列提示写出相应内容。

1．sound adj．________

2．breast n．________

3．case n．________

4．dip v．________

请根据下列提示写出相应内容。

1．使附属v．________

2．情况；现状n．________

3．香烟n．________

4．事件n．________

请根据下列提示写出相应内容。

1．脑子n．________

2．监听v．________

3．先前的adj．________

4．在……下划线v．________

请用本单元所学短语的适当形式填空。

Many years passed, I was still ________ my teacher's words．