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问题 careful searching问题

Most archaeological sites have been located by means of careful searching, while many others have been discovered by accident.查词典，searching并没有名词词性，那么应该为动名词，动名词的修饰词不应该是副词吗？即carefully searching,这里careful searching怎么理...

问题 they还是those

The government has been urging the courts to play more of a role in restructuring debt, as they do in America, with its Chapter 11 procedure. the courts是中国的，为何在从句中用了they呢？我觉得用those更好些。谢谢各位老师！

问题 spend+宾语+过去分词

北师大新版课本（必修一）有这样一个句子：Some spent the dinner bent over their phones, texting friends online but ignoring the ones who sat right in front of them.想问下这里为什么是bent而不是bending? spend后常接doing的。

问题 状语从句的一道选择题

He came to the scene___ he heard of the accident.A.where  B.until  C.no sooner  D.the instant请问这道题为什么选D，不选A呢？

问题 green的用法

...a Boulevard in Bellevue, Washington, generally don't flash the same length of green twice in a row, especially at rush hour.根据上下文，green的意思应为绿灯的意思，而green本身没有绿灯的意思，这里是省略了light吗？即本身应为green light.

问题 be impressed by 还是 with

We are all impressed by / with your knowledge of the subject. 这里是不是也是 by 和 with 都可以呢?

问题 翻译问题

...数(两者以上)，为什么不译成 the delta rivers 或着 the rivers of delta? delta 作为名词性定语为什么不放在river之前，比如：a shoe factory 却放在后面让river去修饰它？

问题 as...as结构的语义理解

He is as tall as me.The sentence means:A. We are of the same height.B. He is not shorter than me.

问题 some可以修饰比较级吗

Can you think of some ____(many) examples?答案是more,请问:1 这里some是修饰比较级吗？2 some在疑问句中需要换成any吗?

问题 为什么不是water used

冲厕所用了很大一部分水。正确翻译是:Flushing toilet accounts for a large proportion of water use.在这里为什么不是water used 而是water use?

问题 an average前面为啥不用任何介词

Have your meal an average of 1.5 hours before exercising.请问这里an average前面为啥不用任何介词，有什么特殊说法吗？

问题 recognize跟从句还是复合宾语

请教各位老师：recognize后面是从句（从句感觉少了个be动词）还是复合宾语（跟介词短语也没见过）？Perhaps you will recognize some of these IoT（物联网）technologies already at work around you.

问题 关于no matter what

Never lose heart，no matter what kind of problems you meet and wherever you are.这里，no matter 引导的让步状语从句，后边算是倒装吗？如果不算，这个句子语序也不是正常陈述句吧

问题 如何理解reflected的用法

You may see reflected in his look what it was to be a slave in ancient Rome or the cotton plantations of the Southern United States.这里的 reflected 是名词吗？如何理解 reflected?

问题 这个表示方位的短语缺少介词吗

Rosario is about 300 kilometers northwest of Argentina's capital.红色部分是不是缺少什么介词？请老师对红色部分进行一下分析，完整形式是什么？是谁修饰谁？ 谢谢专家老师。