... "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 event, greatly reducing their numbers
(B) that at some time in the past our anc...
...体果真可以作宾补吗？例如下句：I found my bike having been stolen. 这个句子用现在分词完成体作宾补成立吗？with复合结构的构成为with+宾语+宾补。我们可以用with sth having been done这样的with复合结构吗？我认为以上二个问题的答案都是...
...关，还是和语义有关？3) The villagers are
regularly visited by doctors。这句话是原句，是否我们可以变换为：The villagers
(who are) regularly visited by doctors are satisfied with their service.这样就是动态动词表示被动一般意义么？4) The villagers
were regul...
......as (在这里我先不下两个as的词性根据所给例句来判断）Tom's not as old as you ,is he ?判断第一个as为副词，第二个为连词省略了，are .We work as hard as any other team in England.第一个as 为副词，第二个为连词，其中省略了does。Please let me...
...侧面认可这种说法。Mark was a student at this university from 1999 to 2003, ____he studied very hard and was made Chairman of the Students’Union.A. during which time B. for which timeC. during w...
from an unstimulated flaccid state within 3 to 5 seconds of the onset
of any form of stimulation上面是一个介词短语，曾经专门请教过曹荣禄老师，但是当初曹荣禄老师认为这里的within短语绝对不可能作定语修饰名词词组 an unstimulated
flaccid state，曹老...
...at照应的对象是前面句子he believed sports often
allowed many kids to play together。判断二：句子that was when Jack's idea hatched的when没有用错。理由：指示代词that照应的对象是后面的句子he would show Frank what
doing things together looked like。was在这里...
...，起强化语的作用，并含有赞扬的含义：nice and warm = warm to just the right degree . 例如：1．He looks nice and healthy. 他看起来很健康。2．His speech was nice and short . 他的发言很简短。3．The house stands nice and high. 房子高高耸立着。（以上摘...
...师提供的例句：Having finished her homework, the little girl began to watch TV.做完作业后，这个小女孩开始看电视。（能否改成Finishing her homework...）Having lived in Beijing for many years, Carter knew the city well.因为在北京住了多年，卡特对这个城市很...
...营口·中考真题）I’ll never forget
the place ________ we visited together last year.
A. which B. what C. who
D. Whom
参考答案是：
24. A【解析】【分析】句意：我永远不会忘记我们去年一起去过的那个地方。考查定语从句。which哪一个...
...the graduation ceremony was the greatest regret in his life.2. His failure to attend the graduation ceremony was the greatest regret in his life. （是否等于That he would not attend the graduation ceremony was the greatest in his life.）3. His not attending the graduation ceremony was the great...
...个发言的是布尔逊博士。Which was the hotel that was recommended to you? 哪一个是推荐给你的旅馆?2. 假若She is the perfect accountant which her predecessor was not.中的定语从句是非限制性的，那么就应该可以加个逗号，即可改写为：She is the perfect acc...
...省略。Being attracted (=Attracted) by gravity, we'll not fall up into the air.Being asked (=Asked) to give a performance, she couldn't very well refuse.Being written (=Written) in haste, the composition is full of mistakes.He wasn't appointed chairman of the committee, being considere...
...; If she promised/ has promised (promise) to be here, she will certainly come.2. If he said (say) that, he must be a fool.3．If I was out of work, I did (do) some odd jobs.该句为习惯意义，故主句...
...学生的英语考试卷中看到这样一道单项选择题：I’d
like to drink ____ this water. A.
a bit B. a little of C. a little D. a few老师在讲解时指出：“a bit 后面接of才能与名词连用，所以A是错误的。a few后面应该接复数名词，所以是D错误的。a litt...