{01} In the office an electrical engineer is looking through the instructions to know ________ the heat system works before the repair work.
A.whether
B.why
C.how
D.that
解析:C 考察宾语从句。句意:办公室里的一名电气工程师在浏览说明书为了弄明白供热系统是如何工作的。本句是一个宾语从句,表示方式。根据句意可知C正确。 本题选C。 {02}The president did much for world peace. That was ______ he was awarded the Nobel Peace Prize.
A.when
B.what
C.because
D.why
解析: 试题分析:句意:这个总统对世界的和平做出重大的贡献,那就是他为什么被授予诺贝尔和平奖的原因。A. when什么时候,B. what 什么,C. because因为,D. why为什么,所以选D。 本题选D。
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