The physicist has made a discovery, ______ of great umportance to the progress of science and technology.A.which I think is B.which I think it is请问选A和选B有什么区别？
...ommenting on the find , snake expert Robert Henderson from the Museum of Natural History , said: “Worldwide new species of frogs are being discovered and described quite regularity.请问老师，这个句子里said前面为什么要加逗号? 去掉可以吗？不明白这个逗...
The idea that some groups of people may be more intelligent than others is one of those hypotheses that dare not speak its name.
But Gregory Cochran is prepared to say it anyway.
这里句末的anyway是什么意思？
anyway 1尽管如此 2不过，总之 3至少
如下“The member of Detroit's retired workers has swelled,benefits were not adequately funded and the city's economy isn't strong enough to take care of both without self-defeating tax increases. "请问这里的without该怎么理解呢 而且为啥他一个介词后面跟了个主谓结构？or...
UV-H2O2
photo-oxidation technology was only available for the advanced treatment of
low-turbidity water with a critical limitation of 6 NTU turbidity. H2O2光氧化技术适用于低浊度水的深度处理，降解效果以浊度6 NTU为分界点。请问老师这里的critical怎么理解？
It is not who is right but what is right that is of importance.这是强调句吧？还原成普通句子（非强调句）应该是如下句子吗？还有没有更好的还原方法？总觉得不对头。Who is right is not important but what is right is of importance.
...ed up from friends. Then I phoned the Gestapo Headquarters. I had a couple of suitcases full of my dispatches, broadcasts and notes that I wanted to take out of the country, I said. As I was flying off early the next day, there would be no time for Gestapo officials at the airfield to go over the co...
... Did you happen to hear the recent news?—Yes, Alice _____ the gold medal in the speech contest, which I find hard to believe.A. winsB. wonC. had wonD. will win这道题目的答案在各个题库中都是B项won，给出的解释都是win动作发生在过去，所以用过去时。可是我认为...
...。这句话不太理解：
No, I wanted to do something that had more of a proper structure to it, I suppose. 句中的 more of a proper structure 是什么意思？to it 中的it是指什么？整句话应该怎么理解？谢谢！
Ritual is defined by sociologists as "that part of family life that the family likes abiout itself, is proud of, and wants formally to continue."请问第一个"that"和"formally"是什么意思？
None would have dreamed of there being such a place.此句中，there being 是否为there be结构？如果是，of 后边是否可以接：there is such a place(省略了先行词that)？如果可以这样接，是否所有宾语从句都可以变为这种动名词形式？