A highly sensitive method forthe detection of trace amount of poisonous susbstances in milk and meat products is to be popularized in a country embarrassed by the scandals of clenbuterol and melamine contamination in food.请问"tace amount"前面为什么可以不加不定冠词"a&q...
先写个例句The owners have been scrabbling for a living for as long as they can remember. 那些矿主一辈子…1、牛津字典上 把as…as…结构 归纳到 副词as的第1个意思。发现它提供的例句中 第二个as，有些是介词，有些是连词。语法书在讲比较结构...
Nor,if regularity and conformity to a standard pattern are as desirable to the scientist as the writing of his papers would appear to reflect,is management to be blamed for discriminating against the "odd ball" among researchers in favor of more conventional thinkers who "work well wi...
...ouis Bromfield ，a noted author:“if I ，as a novelist，wrote dialogue for my characters which was meticulously grammatical ，the result would be the creation of a speech which rendered the characters pompousand unreal.”
老师好。请问，这句话是因为“虚拟语气”作为起点...
请问老师，在I am one of the boys who are never late for class 中，这里的one of the boys 是归属性表语吗？我认为是，但是是的话为什么用的是who作为关系代词呢？若不是的话，好像One of the boys is me 也与原意不太符合？ 谢谢老师解答！！
...tive Americans had taken care of these
precious natural resources wisely.Unfortunately, it took the explorers and the settlers who followed only
a few decades to decimate a large part of these resources. Millions of
waterfowl (水禽) were killed at the hands of market hunters and a
handful of overl...
...as a mobile phone, why are more than half of Australian homes
still paying for a landline (座机)?These
days you’d be hard pressed to find anyone in Australia over the age of 15 who
doesn’t own a mobile phone. In fact plenty of younger kids have one in their
pocket. Practically everyone can mak...
...of？比如说成：one third of the length因为我见过以下例句：Forests cover one third
of the country. 森林覆盖了该国三分之一的面积。On weekdays, one third of
the room functions as workspace. 在工作日，房间的1/3用作办公区域。One third of the
committee comes up...
...ed at her a brief moment, seeing the fear in her face, but also a loathing for all men involved in the making and dispatch of nuclear weapons.1. involved in是过去分词做定语吗？意思是被涉及到的人，有被动的意思？2. the making and dispatch of nuclear weapons是等于the makin...
...iding data
that could trigger a health care provider to recognize the need for an
intervention.老师这里to recognize有人说是目的状语，但是我感觉这是宾语补足语吧，因为只有provider人可以识别吧，不可能data去识别吧？
...说的：表示语言的名词前不能用冠词。如：It’s difficult for a foreigner to learn Chinese. 外国人学汉语很困难。Chinese differs greatly from Japanese in pronunciation. 汉语发音跟日语发音大不相同。若后面接有 language 一词，则要用定冠词。如：The...
请问countries不用加the,这里不是特指那些粮食高产国家吗？It will be difficult for China to reach the level of countries with high grain production in a short period of time, but the gap can certainly be narrowed through earnest efforts.
...rect to the equivalent chapters in both the earlier titles in this trilogy for much general material.以上句子出自一本书籍，是作者对读者的建议，这个句子使用一般现在时，但是表示了祈使含义，这属于一般现在时的用法之一吗？还有类似以下的句...