题目内容：

Hong Kong has about forty public(公共的) beaches. Some of the beaches(海滩) are the best in the world. People can go there for a swim. You can go to most of them by bus. You must take a boat to go to some beaches. There are toilets, dressing rooms and places to buy food and drinks on most of the beaches.

You will swim there without danger (没有危险) if you remember these rules(规则). 

● You must swim with others.

● Never swim after a meal or when you feel hungry or tired. 

● Do not stay in the water for too long. 

● Never go out in a boat if you cannot swim.

Remember: A red flag(旗子) tells that it is dangerous for anyone to go into the water. A blue flag tells that it is dangerous for children.

1.How can you go to most of the beaches in Hong Kong?

A. By bus.    B. On foot.    C. By boat    D. By bike

2.When you see a blue flag, you know that ___________ there.

A. women cannot swim    B. men can swim

C. children cannot swim    D. anyone can swim

3.When you see a red flag, you know that __________ there.

A. women cannot swim    B. children cannot swim

C. anyone can’t swim    D. anyone can swim

4.According to this passage, which of the following is true?

A. You can’t swim after lunch.    B. You cannot swim for a short time.

C. You mustn’t swim with other people.    D. You can always swim when you see a red flag.

5.This passage mainly tells us ___________.

A. swimming in Hong Kong is dangerous

B. it is not easy to go swimming in Hong Kong

C. Hong Kong has many best beaches in the world

D. something about Hong Kong’s beaches and swimming rules there