填空题To engage the reader’s interest, the author begins his article with a picturesque description of a cigarette advertising item.

单项选择题The reason why one would rather be a mosquito than a mute at a party is that ______.

单项选择题According to the author, what part does weather play in conversation

单项选择题Why, according to the author, is a man so keen to join in conversation

单项选择题The author once heard a young man who for thirty minutes ______.