题目内容：

Smile, how warm the word is! It can make anyone happy. It's not like anything else, but just warm, makes you feel warm.

Mother's smile is like a spring wind. It is so gentle. When you are sad, it can make you happy again. When you fail(失败）to do something, it can make you stand up and work again. When you give up(放弃） doing something, it can make you try your best again...

Smile, so easy, but also so useful. Let’s learn to smile. Everyone needs others’ smile. When we give others a smile, we will feel happy, too. And maybe next time, when you need a smile, the others will give it to you.

Let's learn to smile often. I believe it can even make the whole world warm. Living with a smile, every day will be sunshine.

1.The first paragraph(自然段)mainly tells us ____.

A. smiling makes us happy. B. mother's smile is the best

C. smiling is not easy     D. to smile every day

2.The underlined word “it”in the second paragraph refers to___.

A. spring wind    B. gentle

C. others’ smile  D. mother’s smile

3.Which of the following is right?

A. Smiling is difficult.  B. Smiling is serious.

C. Smiling is helpful.    D. We can't smile often.

4.The last sentence “every day will be sunshine” means____.

A. we can be good at our lessons every day

B. we can do everything well every day

C. we can meet good friends every day

D. we can live happily every day