Directions: Translate the following sentences into English.
In the physics class, he failed to understand what Professor Wang was talking about.
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。
单项选择题The author criticizes women’s obsession with thinness______.
单项选择题The advantage of chevrons over straight, horizontal bars is that the former______.
单项选择题The underlined words stick it out probably means ______ .
问答题他为什么考试不及格是因为他太粗心。
单项选择题In human history people’s views on body weight______.