2. 职称英语
  3. A bottle weighs more after air is put in. ______ proves that air has weight.A、We

A bottle weighs more after air is put in. ______ proves that air has weight.A、We

游客2023-10-04  56
问题 A bottle weighs more after air is put in. ______ proves that air has weight.
选项 A、We
B、Which
C、It
D、What
答案 C
解析 it在这里代表前面所提到的事实。故选C。注意区分A bottle weighs more after air is put in It proves that air has weight.(两个句子)与A bottle weighs more after air is put in，which proves that air has weight(一个句子)。
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