题目

—What’s the time? —Let me see. It’s ________ .A.March 3rd B.Saturday C.seven o’clock D.Children’s Day 答案：【答案】C【解析】句意：——几点了？——让我看看。七点了。考查情景交际。March 3rd三月三日；Saturday星日六；seven o’clock七点；Children’s Day儿童节。根据问句“What’s the time?”可知是问具体的钟表时刻，用“seven o’clock”符合语境。故选C。下列分子叫手性分子的是A．CH3CH2OH B．HOOC—CHOH—CHCl—COOHC．CFCl3 D．CH2OH—CHOH—CH2OH