题目内容
5．-Could I swim here，Mr．Yang？-No，_____．It's dangerous to swim here．（ ）
| A． | you couldn't | B． | I'm afraid you can't | ||
| C． | That's all right | D． | No problem |
分析 --我可以在这里游泳吗，杨先生？
--不，恐怕不行．在这游泳很危险．
解答 答案：B．考查交际用语．句意"--我可以在这里游泳吗，杨先生？--不，恐怕不行．在这游泳很危险．"．A你不可以．B恐怕不行．C没关系．D没问题．could开头的一般疑问句否定回答通常用can't，因此A不正确．根据"在这游泳很危险"，可知C，D不正确．因此答案是B．
点评 考查交际用语，在日常学习中要从实际情景交际中多练习，掌握一些习惯用语．结合语境，分析选项，选择正确的回答，完成练习．
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