The major reason for the explosion of the cigarette market is ______.

填空题China becomes the most desirable market for foreign cigarette manufacturers because ______ and ______.

填空题The U.S. government has exerted great pressure on many Asian nations to ______.

填空题The death rate from cigarette smoking in Asia will someday ______.

填空题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.