看一篇讲述牛奶营养方面文章有一句话：In fact, in 1985，the United States
Department of Agriculture officially recommended a switch to skim milk, three
glasses of it a day. But, more recently, we've begun collecting evidence that
says the USDA might be missing an important piece of ...
American archaeologist William Rathje developed a hypothesis that considered an explosionin long-distance exchange a fundamental cause of Mayan civilizationin Mesoamerica. that后面的同位语从句中的句子结构不太理解，请求老师解答。
School was all,but impossible for Sparky（人名）. all在这里的用法是？In fact,Sparky would be surprised _______ a classmates ever said hello to him outside of school.A.until B.if C.since D.as这个怎么选?为什...
在此句中：A rapid means of long-distance transportation became a necessity for the United States as settlement spread over farther westward. 请问as是引导原因状语从句，表示“由于”，还是时间状语从句，表示“随着，当……”，为什么呢？有没有伴...
From the middle-class family perspective, much of this, understandably,looks far less like an opportunity to exercise more financial responsibility, and a good deal more like a frightening acceleration of the wholesale shift of financial risk onto their already overburdened shoulders.【参考译文...
The bad news made me realize _______ terrible problems we would face.答案是what: what + (terrible problems) 可以理解。可以填写how吗？how terrible problems we would face(因为what+a+adj+单数名词=how+adj+a+单数名词， 是否可推断出;what+adj+复数名词=how+adj+复数名词...
...”的顺序排列，但实际应用起来是否这么严格呢？PEU中Swan讲形容词，184.6里有个a tall dark
hansome cowboy;185.2里有个a big beautiful garden。Swan自己也在讲以上的形容词顺序，自己举的例子却和自己说的不一样，那请问老师，是否在实际...
He spent over a decade designing the system that feature in his distinctive home.这句话 spent 是谓语动词，a decade 是宾语，designing 是分词做定语吗？system 是 design 的宾语是不是？
The winning car reached a speed of forty miles an hour -- much faster than any of its rivals.1.an hour前为什么不加介词？2.an hour是名词词组作状语吗？3. a speed of forty miles是名望词组作状语修饰an hour吗？4.much faster than any of its rivals.为什么没有...
请问老师，在这个句子中，acquired by man as a member of society 是修饰 any other capabilities and habits，还是修饰前面所有的名词belief, art, morals, law, custom, and any other capabilities and habits 呢Tylor defined culture as that complex whole which includes belief, ar...
The non-native speakers, it turns out, speak more purposefully and
carefully, typical of someone speaking a second or third language.请问这里的typical of someone speaking a second or third
language是做主语The non-native speakers的补语对吗？可以单独做插入句使用吗？
Across the desert,we follow Watkins' characters through a place so transformed that it needs its own field guide of animals newly adapted for strange survival.请问：1.怎样分析句中出现的(so...that.....)语法现象：...a place so transformed that it needs its own field guide of animals.....
An even better case can be made for splitting the conjunction class into subordinators, which link a subordinate clause to a superordinate clause, and coordinators, which link coordinate constructions.请问这个句子的大意是什么？其中的conjunction class 和superordinate clause 是什么...