In the US. one experiment in nerve regeneration involves______(cut)a big nerve in a rat's leg，leaving its leg paralysed.

We hear it said frequently that what present-day men most desire is security. If that is so，then they have a wrong notion of what the real，the ultimate security is. No one who is dependent on anything outside himself，upon money，power，fame or what not(难归类的事物；难描写的事物)，is or ever can be secure. Only he who possesses himself and is content with himself is actually secure. Too much is being said about the importance of adjustment and “participation in the group. ”Even cooperation. to give this thing its most favorable designation(名称，称号；指明)，is no more important than the ability to stand alone when the choice must be made between the sacrifice of one's own integrity(正直，诚实)and adjustment to or participation in group activity.

当今美国发展最快的行业可能是对已受过高等学校教育的成人的职业继续教育。

孩子对宇宙的概念是凭他有限的经验和自己的想像而形成的。

月亮被称为卫星，因为它不仅环绕太阳，而且也围绕地球运行。

小党派或独立的候选人可能会从大党的提名人那里拉走一些选票，但几乎没有可能战胜他们。

新音乐是从已有的音乐中产生的：布鲁斯、摇滚乐、民间音乐。

Robert Browning's obscure style. of writing made his poems______(access)to many readers.

The more seriously this is sought，______(likely)positive attitudes towards leisure as well as academic work will be encouraged.

May your country______(become)prosperous and powerful.

Daydreaming is highly______(benefit)to your physical and mental well-being.