uptodate时新的 indebt欠债 indetail详细地 indifficulties处境困难 inthedistance在远处 offduty下班 onduty值班，上班 onearth究竟，到底 atallevents无论如何 inanyevent有效；实际上 intheeventof万...
大学英语三级考试常考词组和固定搭配 1、介词+名词 byaccident偶然 onaccountof因为，由于 inaddition另外 inadditionto除......之外 intheair在流行中，在传播中 on(the/an)average平均，一般来说 onthebasisof根据，在...
完形填空是考查语言知识和语篇水平的综合测试方式,是在一篇题材熟悉.难度中等的短文中留20个空白,每个空白为一题,每题共有四个选项。要求考生具有一定的阅读理解能力，扎实的语法知识，同时对各类词法、句法、上下文逻辑关系、语义搭配以及写作技巧等还需具有较强的运用能力。选择完形填空与单句选择填空在形式上相似...
主要从以下几个方面着手1、词汇方面(1)选项的语义辨析语义辨析主要集中在实词(名词，动词，形容词和副词)，选项往往以同义词，近义词，反义词或形近易混词的形式出现。(2)固定搭配固定搭配以动词，形容词与副词，介词构成的词组居多，这些词组出现在完形填空中，主要以副词和介词为考点。2、语法方面(1)定语从...
Before the 20th century the horse provided day to day transportation in the United States.Trains were used only for long-distance transportation. Toda...
To others and themselves the British have a reputation for being conservative——not in the narrow political sense, but in the sense of adhe...
The rocket engine, with its steady roar like that of a waterfall or a thunderstorm, is an impressive symbol of the new space age.Rocket engines have 1...
Dalton wondered why the heavier and lighter gases in the atmosphere did not separate as oil and water do.He finally concluded that the constituent 1 m...
More and more students want to study inhot”majors. 1 a result, many students want to 2 their interests and study in these 3 such as foreign lang...
Most parents, I suppose, have had the experience of reading a bedtime story to their children.And they must have 1 how difficult it is to write a 2 ch...