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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
2023-10-02
43
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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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