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题库 / Prep2007E1-SC-48
Whereas scientists, because of random fluctuations in the weather, cannot determine the transition from one season to the next by monitoring temperatures on a daily basis, so they cannot determine the onset of global warming by monitoring average annual temperatures.
Whereas scientists
Just as scientists
Like scientists who
In as much as a scientist
In the same way a scientist
题目分析：
本题比较简单，只需记住固定句型：just as A do B, so C do D即可。
选项分析：
A选项：whereas的意思是“虽然如此”，本身表示的是其连接的两个小句具有转折关系，而不是类比关系。另外，whereas本身就是连词了，而“主句”前又出现了so，这是不正确的，两个小句间只能用一个连词进行连接。（注意，这个just as…so…不同，just as + so组成的是一个连词）
B选项：Correct. 本选项在语法和逻辑上均是正确的，句子结构为：Just as (scientists cannot determine the transition from one season to the next by monitoring temperatures on a daily basis), so (they cannot determine the onset of global warming by monitoring average annual temperatures.)
C选项：本选项没有主句，so引导的是一个结果状语从句。
D选项：本选项没有主句。
E选项：本选项没有主句。
固定句型：just as A do B, so C do D
just as/so是个例外，just as是从属连词，连接状语从句，so做副词，修饰整个主句，不表示所以，意指像……，
Just as scientists can't do A ……, so they can't do B
又如：He was not so quick a learner as his brother. 他不像他哥哥那样快。
In as much as：因为，既然
应该选B，而非A。