Thee is some question whether cigarette manufacturers have changed the levels of tar and nicotine for cigarettes sold in the Asian market, but the foreign tobacco companies ______.

填空题Before raising their voices against U.S. tobacco industry, many critics have made field trips across many parts of Asia.

填空题It is, partly at least, owing to the effectiveness of cigarette giants’ advertising that smoking foreign brand-name cigarettes has almost become a fashion in Asia.

填空题Research has shown that foreign cigarettes do taste better to Asian smokers than native brands.

问答题有的人认为，科学的价值在于对人类物质生活的提高作出了巨大贡献；另一些人则认为，科学的真正价值在于它提高了人的整体素质.你的看法如何？写出你的观点，并适当举例说明你的理由.

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 ______.

单项选择题According to the author, conversation is by and large a grim effort to ______.