题目内容

The impact of Einstein’s breakthrough in the field of photo electric effect  ____  the understanding of the universe was simply tremendous.
A．in B．on C．withD．about
B
考察固定搭配。effect on对……有影响。句意：爱因斯坦在光电领域的突破的影响，对了解宇宙的影响是巨大的。故选B。
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