So can the movements of aphids when, having depleted the young leaves on one food plant, their offspring then fly onward to a different host plant, with no one aphid ever returning t...
请问，A campaign to close unused capacity restrained output and pushed up prices.这里to close unused capacity 是不定式作后置定语的用法，这句话可不可以以改成定从就是a campaign which c...
Mr. Budd fetched the Evening Messenger. The stranger read the article carefully and Mr. Budd, watching him in the mirror, saw him suddenly pull back his left hand, which had been resting carelessly on...
According to their latest paper published in Nature, the biomass of large predators (animals that kill and eat other animals) in a news fishery is reduced on average by 80% within 15 years of...
The lecture, _____at 7:00 pm laze night, was followed by an observation of the moon with telescopes.A. starting B. being started C. to start D. to be started这是2012年湖南的一道选...
The brain is as active during REM (rapid eye movement) sleep—when most vivid dreams occur—as it is when fully awake, says Dr. Eric Nofzinger at the University of Pittsburgh,此处的as的含义是什...
China has great capabilities in mobilizing the nation and rich experience in dealing with public health issues, Xi said, adding that China will definitely win the battle against the disease....
This room is as wide as that room is long.主句比较项是wide还是as wide?该比较对应项在比较分句as that room is long句中必须省略，但是我的困惑是：as that room is long似乎不缺成分呀？如何理解as that room i...
Aeroplanes carry passengers to various parts of the world in almost as many hours as it takes days to do the journey by other means.，我看不出比较分句as it takes days to do the journey by other means....
Paintings are static. The uniqueness of the experience of looking at a painting repeatedly—over a period of days or years—is that, in the midst of flux, the image remains changeless. Of course the sig...