单选题
英语六级
2017-06-09
The smokers´ attitude toward the consumption ore-cigarettes is _____
A．pessimistic
B．uncertain
C．optimistic
D．doubtful
参考答案
D
答案解析
态度题。根据关键词定位到文章第五段。第三句意为“一些专家预测在未来的十年里．美国人将消费更多的电子香烟，但是烟民们对此却持怀疑态度”，doubtful“怀疑的”与文中skeptical意思相符。因此，正确答案是D。
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