基本信息
背佳句 1． the main aim is to make all public rooms have no smoke by posting the sign of preventing smoking. 其主要目的是通过张贴禁烟标志在每个室内公共场所杜绝吸烟。 [赏析] 该句使用了不定式作表语，表语中使用了“make sb. do sth.”结构；“by posting the sign of preventing smoking”作方式状语。 2． there are 350 million people smoking recently, among whom the male hold 75 percent and the female hold 25 percent. 近来有3.5亿人吸烟，其中男性占百分之七十五，女性占百分之二十五。 [赏析] 该句是一个there be 句型，among whom引导的非限制性定语从句修饰先行词350 million people。
