1 . Air pollution is a big problem, our government has taken action to ________ the situation.

A．understand

B．realize

C．believe

D．improve

2 . knowledge,   history,   books,   my，the,   past,   of， improve

___________________________________________________________.

3 . 选用方框内的单词或词组填空，其中有一个单词或词组是多余的。

on business, improve, except, fantastic, environment, recently

1. It is ________ to watch a 4-D film.
2. You can go to Mount Huang in any season ________ winter.
3. The Earth is our home. We must try our best to protect the ________.
4. Reading English aloud every day helps me ________ my English.
5. I often visit the Ocean Park when I’m in Hong Kong ________.

4 . 选用方框内的单词或词组填空，其中有一个单词或词组是多余的。

confidence, against, trade, on business, improve, experience

1. It is a wonderful ________ to watch a 5-D film.
2. It is the first time for the two teams to play ________ each other.
3. China has a long history of ________ with Japan.
4. Reading history books help ________ my knowledge.
5. I often visit the Ocean Park when I’m in Hong Kong ________.

5 . The teacher has told us how we should improve our speaking skills.   (改为简单句)
The teacher has told us how ________ ________ our speaking skills.