首先无线电话与发明是被动关系,所以排除A和C,另外通过时间“直到那时”,相当于by+过去的时间,应当选择过去完成时,答案选D。 30 【答案】A 【翻译】国家动物园有一大群野生动物,从蝴蝶到大象都有。 【解析】本题考查的是非谓语动词作状语,range是不及物动词,意为“(在...
“保质期”指产品的最佳食用期，可以翻译为：best-before date shelf life expiration date freshness date 表示“the length of time that a product, especially food, can be kept i...
This contract is made this 19th of February,2014 by WFX Corporation (hereinafter referred to as "Sellers")who agree to sell and HK Corporation (hereinafter referred to as "...
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