It seems to me that it would be wrong to ban testing on animals for vital medical research until equally effective alternatives have been developed.问题1:为何这里用it would be,可以直接用 it is吗?如果可以的话,区别在什么地方呢?问题2:为何这里使用have been done...
A. I need to find out a little more about your preferences.B. I need to find out a little about your preferences.1. A中的 a little 是形容词,more是代词吗?2. B中的 a little是代词吗?3. a little (more) about后能接可数或不可数名词吧?about your preferences做代词的...
因为独立主格结构与主句不发生句法联系,那么:The country has already sent up three unmanned spacecraft, the most recent having been launched at the end of last March. 这句话后面的the most recent having been launched at the end of last March是独立主格结构吗? 这...
我看到有一句英文是hooded seal moms produce a milk with 15 times the fat of cow milk.汉语意思是冠海豹妈妈奶水中脂肪含量是奶牛奶水的15倍。如果把这句话如果改写成下面形式1.…produce a milk with the fat 15 times as much as the fat of cow milk.2.… produc...
from below the river(从河的下游) from under the desk(从桌子底下) from behind the curtain(从幕后) from among the crowd(从人群中) till after examination(到考试后) from behind the tree(从树后面) till after sunset(...
...一个主句很明显是虚拟语气,可不可以用if you really want to go, you shouldn't have say those dirty words before. 2的语境,一个之前骂了某个人一句无意中被我听到了,我以为他是开玩笑的,然后今天我问他要不要和我去那个人家玩,...