2. 外语
  3. Today scientists know something about the causes of earthquakes. Seismologists can measure the size of sea waves.

Today scientists know something about the causes of earthquakes. Seismologists can measure the size of sea waves.

admin2013-05-19  52
问题 Today scientists know something about the causes of earthquakes.
Seismologists can measure the size of sea waves.
选项 A、Y
B、N
C、NG
答案B
解析 题干涉及到seismologists的定义，倒数第三段句首即提到了seismology的定义，接着说明seismologist是研究earthquakes的。
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