We do not know exactly what happened that eliminated so many species in a relatively short period of time, but there are several possible explanations. 托福写作中句子，还请老师指点，谢谢！
尊敬的老师们:how many students are there? there are 5 students.这句话中how many是对there are 5
students.中的表语进行提问，也就是说how many做表语，那这的how many做疑问代词?同理用法的how much water isthere? There are...也是对答语的表语进行提问，h...
短文改错题：He is easygoing and patient , makes him popular with students.(译：他脾气随和、有耐心 ， 这让他深受学生欢迎。)答案全解为：把makes-making ,说make与前面句子之间是主动关系，应用现在分词作状语，是不是就变成结果状语了？我...
第一个句子:Tennisis the most popular, with 50% of women enjoy watching it. 这个with后面的enjoy不对吧？是不是应该改成enjoying。第二个句子:basketball and badminton attract 22% and 12% of participants,7% higher than the respective percentage of viewers. 这个句子的7%前...
...务印书馆出版）：下面几句通常被认为是错误的：*She’s not the brilliant dancer who
she used to be. * My brother is a peasant, who I am
not. *The TV set isnot the one which used
to be. 先行词不指人本身，而是指人所具有的品质、性格、地位等时，关系代...
...率). You can tell this by café life. French cafés are always
crowded. Not all the customers are tourists. When do these people work? The
French take their 35-hour workweek seriously—so seriously that some labor
unions recently struck a deal with a group of companies limiting the number of
hours...
...a, copper coffee pots, and beautiful handmade silverware. It was difficult
not to be tempted. Many of the tourists on board had begun bargaining with the
tradesmen, but I decided not to buy anything until I had disembarked. I had no sooner got off the ship than I was
assailed by a man who want...
It
is useful to annotate a text by highlighting key information, underlining new
words and then defining them, and circling important numbers or statistics.
Anohter way to annotate text is to note down the main idea of each paragraph in
the margins,and
then add any key points under these main ideas....
Just as there are occupation that require college degrees （also there are） occupations for which tech training is necessary. A.so to there B.so too there are C.so there are D.so too are there 请问选什...
...He has been very attentive to us, and hardly a day has passed that he has not called at the Hall to see how we were getting on. 怎么理解hardly a day has passed that he has not called at...前后是2个否定的结构hardly...not...怎么理解这种含义和翻译呢？2）I have not lived ...
The truth is that an
observer would probably conclude that none of the policies adopted either on or
in defiance of the IMF’s advice made much difference either way.事实上，一个不卖弄花言巧语的人会认为，各国所采取的一切对抗或无视国际货币基金组织建议的政...