By 'alcohol is a dietary Jekyll and Hyde'(Line 1,Paragraph 4), the author means______. A．drinking alcohol can be of both advantage and disadvantage B．alcohol is necessary for daily diet C．Jekyll and Hyde is a brand of alcohol D．drinking alcohol can also be very dangerous
A. A．drinking B.alcohol C.Jekyll D.drinking
【参考答案】
A 语义题。根据题干直接定位至第四段。该段首句的But表明这部分内容与第三段内容为对比关系。接下来第二句指出过量......