Directions: Translate the following sentences into English.

物理课上，他没听懂王教授所讲的内容。

单项选择题What does the author say about straight,horizontal bars painted across roads

单项选择题What’s the author’s advice to women who are absorbed in the idea of thinness

单项选择题The American Automobile Association Foundation for Traffic Safety plans to______

单项选择题In the last paragraph, the writer is trying to ______.

问答题躺在草地上听音乐真是惬意。