答案及解析： D。。D。

　　B

　　Beijing's broadened ban on smoking in public places took effect Thursday, adding force to the effort to hold a smokefree Olympics.

　　The new rules extend existing antismoking regulations to more places, including fitness centers, cultural relic sites, offices, meeting rooms, dining halls, toilets and lifts. Restaurants, Internet cafes, parks, and waiting halls at airports, railway stations and coach stations are required to set up smoking areas. Hotels will have to offer smokefree rooms or floors, but the regulations do not specify a proportion.

　　However, some restaurant owners have complained that it would be difficult to have a separate smoking room as required by the new regulations. “We plan to issue specific rules to solve this problem as soon as possible， Rao Yingsheng, vicedirector of the Beijing Committee for Patriotic Public Health Campaign, was quoted by the Beijing News as saying Thursday. He said small restaurants without a separate room should set aside at least 70 percent of their area for nonsmokers. He also said customers and restaurant owners would be asked for their thoughts on the new rule.

　　Local authorities dispatched about 100,000 inspectors to make sure the ban was being enforced Thursday. Everyone has the right to dissuade people from smoking in public places, Liu Zejun, who works for the Beijing committee, said. “Citizens are encouraged to expose those who refuse to obey the rule by calling the free telephone line 12320， Liu said.

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