问题: 有一个题问下。
22。one of the requirements for a fire is that the materia. __ to its burning temperature.
a. is heated b.be heated c. would be heated d.do heat 为什么选B,怎么翻译呀。
解答:
题目:One of the requirements for a fire is that the material ____ to its burning temperature.
A、is heated B、be heated C、would be heated D、do heat
解:B
require that +(should) do:要求……,其中should可以省略。
再加上被动语态,所以应该是be heated.
这句话的意思是:燃烧的一个要求是物质应该达到其着火点。
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