单选题
As far as the greenhouse effect is concerned, the author _____.
A、
shares the same view with the scientists
B、
is uncertain of its occurrence
C、
rejects it as being ungrounded
D、
thinks that it will destroy the world soon
【正确答案】
B
【答案解析】
[解析] 本题考察作者对“温室效应”(greenhouse effect)的态度。文中If this view is correct．．．表明作者的不确定态度，既不完全肯定又不彻底否定，故而A、C均不正确，也未表明“温室效应”会很快摧毁世界。
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