句型51：be+num. +metres / kilometres / years...+long / wide / deep / high / old...

The Great Green Wall is 7，000 kilometres long.

绿色长城长7000公里。

The river is about 2 metres deep.

这条河大约有2米深。

The boy is about 12 years old .

这个男孩约12岁。

句型52：keep ... from doing

The heavy rain kept us from starting out.

大雨阻止了我们出发。

句型53：with one’s help...

With Tom’s help，I’ve come to America to study further.

在汤姆的帮助下，我来美国深造。

句型54：I don’t think ...

I don’t think any of them is interesting.

我认为他们中任何一个都无趣。

句型55：What’s the population of ...?

What’s the population of Germany ?

德国的人口有多少?

句型56：prefer to do … rather than do

They prefer to buy a new one rather than repair it.

他们更喜欢买一辆新车，而不愿去修理它。

句型57：be worth (doing) …

This book is worth reading.

这本书值得读。

句型58：regard … as...

They regarded their pets as members of their families.

他们把宠物视为家庭成员。

句型59：be confident of

I’m confident of success.

我确信会成功。

句型60：be angry with / about / at(doing)

We’re all very angry with ourselves.

我们都很生自己的气。

I was angry about his decision to build a factory here.

我很生气他决定把工厂建在这儿。

I was angry at being kept waiting.

这样一直等我很生气。