Scientists generally agree that the earth's climate will warm up over the next 5

Question

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 Ice Age.
A. so long as
B. as much as
C. as long as
D. as well as

Answer 1

答案B
这是一个表示同级比较的比较状语从句，因比较的对象是上升的温度，所以B项最佳。句意：科学家普遍认为，在未来的50年到100年间，气候将要变暖，其幅度相当于自冰川期至现在2万年间的气候变化。