...and complexity,”Pompeo said."We have no higher duty tothe american people than to pull this off."第二句话Pompeo意思应该是比起完成撤侨我们没有更重要的任务，所以应该是not higher ,而不是no higher?
He plain occupies the west, south and central parts of the continent, though considerable variations are to be found over so ____ an area. A. expensive B. expansive C. extensive D. intensive
... and occupied for thousands and thousands of years with each village being separated from one another.上文中，with each village being separated from one another. 为什么使用了being, 为什么不是with each village separated from one another. ？ 二者含义有差别吗？
The specimen is loaded by a SHPB system,using which static tensile load is appiled tothe specimen and maintained before applying the dynamic load.大概意思是：试样被SHPB系统加载，直到在施加动态荷载前，静态荷载首先被施加在试样上并一直维持此状态。
... 来做表语时，有什么区别？例如：1) Our plan is to finish theworkin two days.2) The main task of this research is to understandthe meaning of the
universe.老师，这两个例句都是用不定式to来作表语的，它和that从句作表语有什么区别？谢谢老师！
有这样一句话：The area from the coastline to about halfway up the hillside was covered by web that was too thick to see through. from the coastline 是介词+名词，而to about halfway up the hillside中to是介词，about halfway是副词词组，修饰up the hillside这个介词词...
Countries looking to raise their retirement ages typically make their intentions known five to ten years in advance.
这里的look to要作为展望来看的话，接的raise是原型，怎么划分来看look to do的结构呢？in advance这里是定语修饰five to ten years 吗？
...on of revealing in as obvious a manner as possible the course of reasoning which led him to his decision.通常讲第二个as是连词，但是这里为什么都接的是短语？是省略了某些成分吗？语法书中讲到，这三句都不是引导比较状语从句，那么这到底是什么...
It is useful to science ___the earth as an object in space.A.to considerB.which considersC.considersD.the consideration of 答案：C其中：ABD都有不少网友选择，有些网友觉得不选择A和B，接下来提出不选择A的原因：It is useful to science错误，应该改成for science....
...the equator, below many other countries on the glob, it's often informally referred to as "down under".教辅上给的注释是located...是形容词短语作状语。此处能不能理解为located...为过去分词短语作状语？什么时候分词可以理解为形容词？
...rrassed to ask for food. The young woman brought him a glass of milk, whichthe boy greedily drank.一个漂亮女孩开了门，穷小子没了勇气。他只是要了点水，要吃的太让他难堪了。女孩给了他一杯牛奶，男孩儿贪婪地喝完了。我想问，红字which在...
...态动词也只能表示结果。The boy was so stupid that he couldn’t
work out the maths problem.这个男孩很笨，所以他解不出这道数学题。注：①表目的的so that 从句可以用in
order that 替换；若主句和从句的主语一致的时候还可以用so as to或in order
t...
Before being putin prison, he begged the police to meet his mother.此处的 being put 为什么不能用过去分词 put？这不是符合省略句(从句主语和主句主语一致，且其后动词为be时，是可以将其主语及其后be省略的)的用法吗？为何此处before用作介词...