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问题 并列句两谓语怎么确定时态

请问一下，China's approach to protecting its environment while feeding its citizens......和Confucius believed knives would remind people of killing and were too violent for use at the table连词前后时态怎么看？ 谢谢了！

问题 以名词性分句作主语的主谓一致问题

What he thought and did at home(has,have)nothing to do with this problem. 答案:has/have 为什么has和have都可以使用?

问题 so that 和 unless 的用法疑惑

The chemicals in cola will be bad for your teeth _________ you clean them carefully.A. unless B. so that C. when D. although 请问B，这里为什么不可以选？

问题 although和 yet/ however

请问老师，这里答案是yet，although和yet可以连用，那么副词however呢？1  Although I now work more hours than I used to, __yet__ I do receive a larger salary.下面这种说法可以吗？加上逗号。有的资料说although和however不可连用，但是又看到资料说可...

问题 句子成分分析

He is in hospital in an unconcious state with little chance of coming round.请问这句话中的2个介词短语in hospital 和 in an unconcious state同时都做表语吗？

问题 constant和continuous的区别

...ous) play facility.这里为什么分别用constant、constant、continuous和continuous，这两个词怎么区别？

问题 On they struggled...句子分析 on引导从句

请教老师：On they struggled, fighting, dying, marking every step of the route with their dead. 这个句子的主谓宾等语法结构分别是什么？关联的语法点叫什么？上下文：It was but a small body of survivors that at length escaped from that deadly defile and threw up entr...

问题 were supposed to 和 should 含义辨析区分

What were supposed to be new proposals were in fact modifications of earlier ones.本句中的were supposed to 是否可以改成should ? 如可，含义有何不同？

问题 翻译：中国使用绿色能源的努力和目标。

答案写的是china's effort and target for green energy use，我写的是china's efforts and target of using green energy，还有一种方式就是china's efforts and target in using green energy这三种表达方式都对吗？

问题 make change in / to / for 有什么区别？

He’s always making changes in his plans to do things. 1.in his change to do things成分是什么？不定式做plans的定语，in his plans又做changes的定语吗？ 2.make change in 和make change to/ for 有什么不同？

问题 句子结构分析

...5m a year, compared with just 7m in rich countries.求此句子结构分析和翻译。

问题 as...as if...这种句型分析和理解困惑

...ing his character for a twelvemonth. 这里出现的as...as if 怎么分析和理解句子的含义？

问题 单词appeal

托福TPO14的一句话：Certainly,rational appeals in advertising aimed at children are limited,as most advertisements use emotional and indirect appeals to psychological states or associations.后半句怎么理解。appeal是名词，查了字典，作为名词“吸引力”的appeal并没有ap...

问题 这个句子结构分析

Do you imagine him at school，sitting in front of a sweet dessert with nothing but a pen to eat it with.这里的sitting为啥用ing呢，dessert后面的with是什么意思呢？为什么sitting前面用逗号呢？

问题 定语和状语如何判断

...是不是又是不定式做定语呢？ 感觉不定式与句子主语，和前面的名词都存在逻辑关系，哪种分析错了？请曹老师指导！ 推而广之，不定式做定语，状语和补语的常规辨析方法是什么？劳烦曹老师您归纳一下！非常感谢！