【单选题】 It has been estimated that the earth's surface temperature has increased ______ one quarter to three quarters of a degree since 1850. ~
A.to
B.by
C.at
D.with
网考网参考答案:B
网考网解析:
此题考查动词与介词的固定搭配。据估计自1850年以来地表温度增长了1/4到3/4度。increase by 是固定用法,意为“增长了”。by后跟具体的数据,其余三个介词都不与increase搭配。
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