Scientists generally agree that the Earth’s climate will warm up over the next 50 to 100 years ______it has warmed in the 20,000

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问题 Scientists generally agree that the Earth’s climate will warm up over the next 50 to 100 years ______it has warmed in the 20,000 years since the Ice Age.

选项 A、as long as
B、as much as
C、as soon as
D、as well as

答案B

解析 比较结构。as much as意为“和……一样多”,符合句意。
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