1. an area twice the size of
Wales
这是我在牛津高阶词典上看到的一个名词词组，twice the size of Wales直接作了后置定语，可以这么用吗？道理是什么？能否举出一些类似的例句？
2. Dog's sense of smell is
up to 100,000 times greater than human being's....
... Islamic religion) seem to have been the most common type of book produced and decorated, but after that date a wide range of books were produced for a broad spectrum of patrons.曹老师您好，我阅读这个句子的时候，很疑惑为什么时间状语明明是过去的时间“Before A.D.900...
We won't get there on time,_________ the car doesn't break down.A.even if B.unless请问这道题能不能选择unless? 答案是A。unless的意思是除非，也就是如果不，套到后面那个句子里，双重否定表肯定，意思就变成了如果车坏了，我们就...
...Are you wearing shoes? Why? People wear shoes for many reasons. The first and most important reason is to protect their feet. Shoes keep people from hurting their feet while walking on hard roads. Some people wear special shoes designed to help them play a game. Some people wear expensive shoes to l...
..., the most common drawback for any PD controller, with unknown dynamics or even with unmodeled dynamics is the error signal differentiation. 句中为什么用逗号和with将主语和谓语隔开？这是什么语法结构？
Until this evening，I had never so much as exchanged a word with him.在今天晚上之前，我甚至连一句话都未跟他说过。很多人认为 so much as 有‘甚至’的词义，而我却不这样认为。有没有老师能从任何一本字典中（最好是原文英英的字典）...
He even went as far as to accuse me of betraying him.请教这个句子中 as far as to do该怎么分析成分？另外as far as to do等于so far as to do吗，二者是否可以随时互换？as far as to do和as far as有什么区别？
老师：您好！We can even speak to the machines so that they can talk back to you or put all things down on the screen by identifying your voice.请问这句话是什么意思呀？talk back to sb. 到底是顶撞某人还是回复某人呀？谢谢！