2 . Everyone must know the ________ (重要性) of wearing a mask this spring.

3 . — How can you speak English so well?
— It’s of great ________ to speak as much as you can every day.

A．importance

B．meaning

C．improvement

D．success

4 . World Health Day is used to highlight (强调) the ________ (important) of personal health.

5 . They didn’t know the ________ /ɪmˈpɔːtns/ of learning English.

6 . Aron tells us the ________ [ɪmˈpɔːtns] of being in control of one’s life.

7 . We all know the ________（重要性）of water.

8 . 仔细阅读下面五个句子，然后用下面方框中所给的单词或短语填空，使每个句子在结构、句义和逻辑上正确。（提示：方框中有两个单词或短语是多余的）

get on with; dropped; situation; come up with; understands; silence; importance

1. He often fell ill and his grades ________.
2. Lucky is clever and ________ many English words.
3. In this book, Aron tells of the ________ of making good decisions.
4. My problem is that I can’t ________ my family.
5. My parents did not talk after that, and we finished the rest of our dinner in ________.

9 . In order to protect wildlife, we should first let more people understand the ________ of it.

A．importance

B．dependence

C．danger

D．interest

10 . —I gradually realize the ________ of health during recent three years.
—I can’t agree more. Health is happiness.

A．importance

B．feeling

C．development

D．opinion