A mass of sugar that weighs 6 kg in California will weigh about 6 kg in Canada or Germany
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A mass of sugar that weighs 6 kg in California will weigh about 6 kg in Canada or Germany, an evidence______that the force of gravitation in each place is practically the same.
A.to show
B.having shown
C.showing
D.shown
请帮忙给出正确答案和分析,谢谢!
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正确答案:C
此题测试的是分词作定语的用法。showing…相当于定语从句whichshows…,show与evidence是主动关系,所以要用现在分词。题句讲的是客观事实,因此B项中的分词完成式是多此一举的。题句意:"一堆在加利福尼亚重六公斤的糖,在德国或加拿大也大约重六公斤。这一证据表明,每个地方的地心引力几乎是一样的。"
