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问题 “总数”“个数”的英语单词

Divide the total amount by the number of amounts to get the average.翻译：总数除以个数就得到平均数。这里面哪个是“总数”的意思，那个是“个数”的意思？

问题 advance的含义

For example, during past ice ages, glaciers advanced down through North America and Europe and gradually cut off parts of populations from one another.advanced down在这里是什么意思？

问题 主被动语态的选择

Because of the heavy homework, my extracurricular activities have (been) decreased to little.请教老师，此句的语态如何选择，been应保留还是删去？为什么？谢谢老师透彻讲解。

问题 定语从句先行词问题

It would be difficult to reject the enormous potential of cloning that promise to create organ transplants.请问that的先行词是谁？promise用错了吗？

问题 which 从句

There's only a certain set of problems for which you need to build new algorithms. 请问，在这句话中，which 代指的是什么呢？它的先行词感觉不像problems，还是说，它指的应该是文章中其他的内容？

问题 句子成分分析

To paraphrase 18th-century stateman Edmund Burke,  "all that is needed for the triumph of a misguided cause is that good people do nothing."

问题 句子成分分析

They can say she is a saint all they want,but she deemed my client guilty and passed sentence with proof of anything.如何理解all和they want的成分?

问题 句子成分分析

Tired of the boring meeting，he began to feel sleepy.问：Tired此处为形容词，逗号前为形容词短语，形容词短语此处做什么句子成份？形容词短语还能单独作什么句子成份？

问题 这里的away是副词嘛

be+副词也可以充当谓语I'm away a couple of weeks at a time.

问题 名词后接etc作主语时谓语动词用单数还是复数

He said that the salary etc ______ put down in the contract.A. was          B. were请问是选 was 还是 were？换句话说，名词后接 etc 作主语时谓语动词用单数还是复数？

问题 句首的现在分词短语seeing…是什么成分

请问下面句子中位于句首的现在分词短语 seeing such extraordinary beauty 是什么成分？是时间状语还是原因状语？好像都可以啊！若看作是时间状语，则表示“当看到……的时候”；若看作是原因状语，则表示“因为看到了……”。...

问题 As you will have noticed…为什么用将来时态

有这样一个句子:As you will have noticed, there are some gaps in the data. 你也许已经注意到了，数据里有些缺漏。这里的 as 是什么从句？它为什么用将来完成时？这个 will 用得对吗？谢谢！

问题 be married, get married 表示状态和动作的疑问

在前面一个问题中有这样一个句子：On a sunny afternoon in late November, John and Barbara were married.参见：http://ask.yygrammar.com/q-29256.html我不明白是：为什么这里用 were married，而不用 got married，这里不是表示动作吗？怎么可以用 were married ...

问题 结构分析：I Just came back last Sunday.

...什么结构？介宾？状语？能不能列举所有情况？3.He failed in the exam.是主谓介宾还是主谓状语结构？

问题 as if seeing / to see

...fessor paused as if  (  ) his students to ask questions on the point he had just made.A. expectingB. to expect 选A和B均可，但究竟有何区别呢？The man we followed suddenly stopped and looked as if (  ) whether he was going in the right direction.A. seeingB. to see只...