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问题 现在分词的完成被动式与不定式的完成被动式

Some Martian rock structures look strikingly like structures on Earth that are known ______ by microbes.A. having been createdC. to have been createdC是正确答案，可是A和C都可以表示非谓语的动作先于谓语动词的动作，为什么不能选A?

问题 United States history前是否应该加the

一道改错题：Students of United States history, seeking to verify the circumstances that encouraged the emergence of feminist movements, have thoroughly investigated the mid-nineteenth century American economic and social conditions that affected the status of women. 错误之处是verify词典...

问题 用国名代表体育运动队作主语时谓语动词用什么

...ith France and Germany out of the competition, England have a great chance to win. 因为法国队被淘汰出局，英格兰队胜算很大。 上面一句中的 France, Germany, England 本来是国名，但它们在这里代表相应的运动队，如果它们用作主语，那谓语动词是...

问题 rise in the east 还是 rise from the east

I am afraid the moutain would break down. The next morning we got up early in order to see the sun rise ______ the east.rise in the east 还是 rise from the east?

问题 rise 表示"变得成功, 变得重要"同义词用哪一个好呢

Through hard work, he rose to be the manager of the company.A. developed      B. managed        C. experienced请问各位老师，这个应该选哪个呢? 非常感谢。我个人觉得A（侧重变得），B （侧重成功）都行吧？

问题 关系副词where不作句子成分就直接引出一句话对不对

He got into a situation where it is hard to decide what is right and wrong.定语从句中的关系词都要在从句中作成分吧？这里的 where 什么成分都不作就直接引出了一句话是不是不对啊？

问题 主句为一般过去时宾语从句中为什么用一般现在时

在《柯林斯COBULILD高阶英汉双解学习词典》查找think over的用法时，看到这样一个句子（第2761页）：She said she needs time to think it over. 她说，她需要时间好好想一想。请问专家老师，为什么这个宾语从句中的谓语用一般现在时？

问题 what’s-the-point of ...连字符

Mr Trump’s frequent onslaughts — the Europeans are not paying a fair share, Germany is in thrall to Moscow and what’s-the-point of the alliance anyway — have raised questions about Nato’s future.请问老师，what’s-the-point 中连字符有什么作用？

问题 explore使用质疑

...on Society, maritime, navigation support and related departments and units to explore the establishment of standards for autonomous navigation ships and promote the rapid development of China's intelligent ship industry in the years ahead.这是中国日报app上的一段原话，explore出现...

问题 在名词后面不定式有没有可能不是定语是同位语

看到一个例句 the desire to play for nba became a burden .突然觉得这个不定式 很像是同位语 或者说 像主语补语  不太像定语，如果真的是同位语 那词性就变成了 名词性。。。。这就和定语的形容词性冲突。瞎想...

问题 scrutiny of sb/sth 结构理解疑惑？

1）Managers are subject to the scrutiny of specialists.经理们会受到专家的严格审查。2）He resumed his scrutiny of the chessboard.他又开始仔细看棋盘。以上2个句子，句1）是scrutiny of sb结构，却要理解成sb主语，把scrutiny理解成类似谓语。而句2）是...

问题 动词作名词与动名词的区别

...用walk 的–ing 形式?为什么不直接用名词形式walk?We can go to Nanchang by train. It is faster than walking.

问题 moral grain 是什么意思

...nst the moral grain,” as Elizabeth Royte writes in this month’s cover story. It’s jaw-dropping how much perfectly good food is thrown away—from “ugly” (but quite eatable) vegetables rejected by grocers to large amounts of uneaten dishes thrown into restaurant garbage cans.请问：food w...

问题 It was Sunday不是It was a Sunday

I  can not remember when he came to see me, but I think it was ______Sunday. A. a            B. the          C. last            D. / 选 last 还是 /？

问题 be intended for与be meant for的区别

Why is he always forcing his daughter to practise playing the piano 3 hours a day if she is not _____ for a pianist? A. meant     B. intended    C. trained       D. asked 答案选的是 meant，请问 intended 有什么不对？