...what happened that eliminated so many species in a relatively short period of time, but there are several possible explanations. 【分析】that 是关系代词，引导关系分句，先行词是what。修饰疑问代词what 的关系分句，不能紧靠在what 之后，需要后置，否则...
...主句用进行体时，从句用一般体是为什么？①when he tells of the tall tales, he's not telling tall tales.②By telling others we are busy，we are implicitly suggesting that we are sought after.第二句by doing，是可以看做when从句的吧，当我们告诉别人我们很忙时...
...，我对这种说法产生了质疑，例句如下：例1：We have a lot of things to do. 分析：很明显这是属于动宾关系，而且to do发生在have之后，满足这种说法。例2：The first person to come here will get a gift.分析：这属于主谓关系，但是to come难...
...e and verify the Gould and Curry Extension papers and statistics. The idea of your being in London, and a vast millionaire, and a colossal celebrity! Why, it's the Arabian Nights come again. Man, I can't take it in at all; can't realize it; give me time to settle the whirl in my head.&qu...
...第1版《英汉多功能词典》p.1406）My grandmother eats most slowly of all the family . 我祖母在全家人中吃得最慢。（同上）2. slow一般只能与go，drive，pass等少数动词连用，而slowly则无此限制。例如：Drive slow ! （美国英语）驾车慢行！（摘自...
...他下决心干，没有什么能阻止他。（摘自Longman
Dictionary of American English ，外语教学与研究出版社1992年5月第1版）When my wife sets her mind on something, she
invariably finds a way to achieve it. 凡事我妻子一旦下定决心做，就总能设法做成。（摘...
...at the genetic homogeneity evident in the world's people is the result of a "population bottleneck"—at some time in the past our ancestors suffered an event, greatly reducing their numbers and thus our genetic variation.
(A) at some time in the past our ancestors suffered an ev...
...bsp;/ passive.======== ========Let's first see the uses of “been” in English and then we can easily understand the difference here:Been is a Perfect State Form Maker.Been is a Perfect Continuous Maker.Been is a Perfect Passive maker.Examples:I&nbs...
...p.181）5. believe in (someone): to have trust
in the goodness or ability of (someone)相信……的优点（或能力）：Despitehis
problems, his parents still believe in him. 尽管他有一些毛病，他的父母仍相信他是个好孩子。She
believes in herself and in her abilities. 她...
... to Egypt on holiday last year.
我们去年到埃及渡假。We took lots of photographs on
holiday. 度假时我们拍了很多照片。4.
用于go on holidayGoing on holiday makes me nervous. 外出度假使我紧张。Several years ago, I went on holiday
with some friends. 几年前我与几个...
...信任把握(3) make a difference 起作用，有影响(3) make the most of充分利用，尽情享受(3)
resource /sɔːs/ n. 资源；资料，谋略(3) take advantage of利用(3) facility /fəˈsɪləti/ n.
设施，设备；场所(3) equal /ˈiːkwəl/ adj.
相同的，相等的，平等的；...
...eight million residents are known for staying busy, but with the abundance ofpeople, comes plenty of waste and the need to recycle.Compliance is a big challenge, and in a city as diverse as New York, it's always been a challenge.通过对比句式：Boxing has as unquestionable a right to the epithe...
... regarded as seriousHe's described as being in his late teens,tall,and of slim build 疑问：这里的第二个句子可以明显的判断出来as做当做意思讲时是介词，可第一个句子为什么as后面跟了serious形容词呢，又是怎样的一种用法呢？4词性没给...
...ter’s day so long ago. I was filled with anticipation. I had a new issue of my favorite sports magazine tucked under my arm, and the house to myself. Dad was at work, my sister was away, and Mother wouldn’t be home from her new job for and hour. 下面作者根据语境进行翻译：文中“I ...