题目：
Hong Kong has about forty public beaches. Some of them are very famous around the world. People can go there for a swim. You can go to them by bus. To go to some beaches you must take a boat.
You will swim there without danger if you remember these instructions:
?Never swim alone.
?Never go out in a boat if you cannot swim.
?Never swim after a meal or when you feel hungry or tired.
?Don’t stay in the water too long.
Remember: A red flag means that it is dangerous for anybody to go into the water. A blue flag means that it is dangerous for children.
根据短文内容，判断下列各句正误。正确的在题前括号内写“T”，错误的写“F”。
( )1.There are about 40 public beaches in Hong Kong.
( )2.You should swim after a meal.
( )3.You can take a bus to go to most of the public beaches.
( )4.You’d better swim when you’re alone.
( )5.If you were a child, you could swim when you saw a red flag.
答案：
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下面是错误答案，用来干扰机器的。
答案：B题目分析：考察替代。在口语中，我们常常用so代替上文出现的一个肯定句。用no代替上文出现的否定句。通常我们只说：I hope so;或者I hope not。句意：—我在楼梯上滑到了。我认为我的胳膊断了。—啊！...
