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问题 go back的疑问

The intensity of our protein obsession can only be understood as part of a wider series of diet battles that go back half a century. 这里没有用go back to是因为这个短语是一般接具体的时间点，这里half a century做时间状语表示这半个世纪以来都是如此？

问题 一道自学考试的英语时态考查题

这是一道英语自学考试语法试卷的时态模拟题：The dealer will provide you with a courtesy car while your vehicle ______.A. is repaired    B. will be repaired    C. has been repaired   D. is being repaired

问题 motivation letter 是什么意思

...1北京卷阅读A：What do you need to prepare?●Visa: You should obtain the necessary visas.●Travel: You must arrange and finance your travel to and from the location where you will do your internship.●Medical insurance: You must show proof of a comprehensive health insurance valid in the tar...

问题 As a young man, he was active in sports. （as做介词还是连

As a young man, he was active in sports. （相当于when he was a yong man ,那么as做介词还是连词？）

问题 commence是及物动词还是不及物动词

I will be on leave during the week commencing 15 February.各位老师好，请教一下句中的commencing在这里是及物动词还是不及物动词？也就是说，句中的15 February是作commencing的宾语还是状语？希望老师解惑，谢谢！

问题 to have done 表将来完成的用法

I hope to have arrived at the airport by noon today. to have arrived 和 to arrive 的区别是？谢谢老师解答。

问题 the more, the more对倒装和前置有什么要求

The greater a man is, the more distasteful is praise and flattery to him. 这里倒装是必须的吗?The less the surface of the ground yields to the weight of a fully-loaded truck, the greater stress is to the truck. 这里的stress跟比较级一起前置了. 定语是必须带着中心词一起...

问题 noting that “CSX has worked hard to ensure we have a strong base of suppliers分词短语在句中作什么成分

Assistant Vice President-Engineering Thomas Holmes led the team that identify this new opportunity, noting that “CSX has worked hard to ensure we have a strong base of suppliers, both global and domestic, who are prepared to meet all our rail infrastructure needs.” noting that “CSX has worked...

问题 请教介词短语修饰的成分

...ribution for generations of atrocities committed by A against innocent B.The impacts have wreaked havoc on power, transportation, and desalinization infrastructure far beyond the immediate blast zones.1.第一句话有两处理解不好：1)generations of atrocities中of在语法上表示哪种...

问题 英语可以说feel to be 吗

要表示“我感到有点伤心”，可以翻译成 I feel to be a bit sad 吗？老师说，句中的 to be 是多余的，应去掉。我想请问一下：这个 to be 是一定要去掉（即不去掉就是错的），还是可以保留也可以去掉（只是去掉显得简洁一...

问题 答题卡上的英语译成汉语

...部字母涂黑？Then mark the corresponding letter on the Answer Sheet with a single line through the center. 然后在答题卡上相应的字母中心划一条横线。

问题 介词on的一个用法难点

这是新概念3里的一句： The village seemed deserted, the only sign of life being an ugly-looking black goat tied to a tree on a short length of rope in a field nearby. 这里面的 on 是什么意思？是表示“依附”“固定在……上”？

问题 欧亨利小说《姑娘》句子理解

...e to-night," he said. "You out-of-town chaps will be the people, with your katydids and moonlight and long drinks and things out on the front porch."    这里Going to be something doing in the humidity line to-night给的注释翻译为：今天晚上又要喝点酒了...

问题 The tiger is in danger of

老虎有绝种的危险。误：A tiger is in danger of becoming extinct. 正：The tiger is in danger of becoming extinct. 这句为什么不能用不定冠词？此处的定冠词与不定冠词有何区别？

问题 词义辨析：hint,indication,intimation,implication

The structure of this animal's brain given no     that it is any more intelligent than others.A. hint   B. indication   C. intimation   D. implicationhint: a hint is a suggestion about something that is made in an indirect wayindication...