The first use of atomic weapons was in 1945,and their power ________ increased enormously ever sinc填 has been 但has been increased 是现在完成时被动态,但句中没有被动,

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The first use of atomic weapons was in 1945,and their power ________ increased enormously ever sinc填 has been 但has been increased 是现在完成时被动态,但句中没有被动,
The first use of atomic weapons was in 1945,and their power ________ increased enormously ever sinc
填 has been 但has been increased 是现在完成时被动态,但句中没有被动,

The first use of atomic weapons was in 1945,and their power ________ increased enormously ever sinc填 has been 但has been increased 是现在完成时被动态,但句中没有被动,
仔细一点啊.
power就是被increase的啊.意思就是说核武器的威力自从.就被大幅度的增强了.
楼主当然,我明白你的意思你是说这种武器的威力增加了,这句话是没有被动的.这时候一定要注意英语习惯,虽然句子意思翻译过来的是对的,但我们判断被动的标准是若没有外力因素,这个东西可以因自身性质改变则不用被动,但是原子武器的应当是我们科学家或者学者经过研究之后通过科学加工后才变大的.

怎么没有呢?has been increased 就是现在完成时被动态呀,就像你说的那样。因为不能自己增加,当然要被动了