A fresh disease could be about to take off right now, as a freak bacterium escapes from an
antibiotic-abusing factory farm, say, or a mutated virus sweeps out of a
laboratory or a forest, as a bat
passes it on to a new host which can infect humans. 请问这两个as都是什么用法?这种一...
请教老师:......I
could see no valley, no farms, no cottages and no church spire -- only a lake. I
decided that I must have taken a wrong turning somewhere. So I drove back to
the town and began to retrace the route, taking frequent glances at the map. I
landed up at the same corner. The curiou...
...尤其是受句子中的逗号的误导而作出错误的选择。 1. If a book is in English,
_____ means slow progress for you.A. as B. which C. what D. that此题容易误选 A或B,想当然地根据空格前的逗号认为这是非限制性定语从句。...
Stronger than FM radio signals, these RF waves are still a billionth the intensity of known carcinogenic radiation like X-rays.本句中 a billionth the intensity 这几个单词连用,比较奇怪,billionth为什么后面直接可以跟名词呢?请教老师了,谢...
I wan to buy a car.He was anxious to meet her favorite actor.She was interested in watching the film.动词后面有介词要不要划入谓语动词范围,want是实意动词,那为什么want后面还要加to do,那么to do是非谓语做定语,然后a car做宾语吗?
Over the green squares of the fields and the low curve of a wood there rose in the distance a gray, melancholy hill, with a strange jagged summit, dim and vague in the distance, like some fantastic landscape in a dream. Baskerville sat for a long time his eyes fixed upon it, and I read upon his eage...