阅读短文，选择正确答案。

      There are four hats on the big table. They are red, yellow, green and white. They are Mike's, Bill's, Tom's

and John's. Tom's hat is not yellow, green, or red. John's hat is not green. And Mike's hat is not yellow or

green. What colour are their hats?

1. Mike's hat is _____________.

A. red

B. yellow

C. white

D. green

2. _____________ hat is green.

A. Mike's

B. Bill's

C. Tom's

D. John's

3. Is Tom's hat white or green?

A. Yes, it is.

B. No, it isn't.

C. It's white.

D. It's green.

4. Is the yellow hat John's or Tom's?

A. It's John's.

B. It's Tom's.

C. It's Mike's.

D. It's Bill's.

5. How many colours about their hats?

A. Two.

B. Three.

C. Four.

D. Five.

李克强指出，政府“法无授权不可为”。这表明政府要

①优化组织结构          ②依法行政

③逐步强化立法职能      ④保证权力在法律框架内运行

A．①②

B．②④

C．①③

D．③④