...was to have understood the need to accumulate intense radioactive sources, not only to treat illness but also to maintain an abundant supply for research. 居里夫人的一项杰出成就是理解了积累强放射源的必要性，这不仅是为了治疗疾病，而且也是为了保持充足的...
...ng to MountHuangshan reminds me of
the popular Beatles’ song “The Long and Winding Road”. ___56___ is so
breathtaking about the experience is the out-of-this-world scenes. The rolling
sea of clouds you see once you are at the top will remind you how tiny we
___57___ (human) are.The hot spring ...
The exhibition, which opened this month at the National Museum of
African American History & Culture, begins in a war-ravaged plantation
house and ends with Georgetown University’s recent announcement of a bursary
for the descendants of 272 slaves sold to cover its debts.谢谢老师！
It was an extremely cold winter’s evening and freezing fog hung in the
air. I climbed to the top of a small rise and realised that the mist was little
more than a few feet deep, and though it was only a short climb. I found myself
completely above it and looking at a wonderfully clear view of Skid...
...able to find out what its advocates are aiming at, for, however farfetched and unreasonable their principles may seem today, it is possible that in years to come they may be regarded as normal.这个句子中 however farfetched and unreasonable their principles may seem today, 这是什么句型呢...
请问一下。我改错上有一题。We put the butter into a large bowl and mixed it with sugar.....added eggs into the butter and sugar为什么用and不用with，sugar和butter之前不是混和了吗？我以为用with表示掺杂了sugar.谢谢了！
They made some not unintelligent observations.They made some fairly intelligent observations.经常听说“双重否定”表达一种强势的肯定，可是《英语语法大全》认为双重否定是一种说话留有余地的表达法？并且可以用减弱语来改写双重否定的句子（...
英语新概念课本第二册的77课A successful operation里中有这样一句话：They also found something which X-ray did not show: a small wax figure of the god Duamutef. 请问，先行词是something, 为什么定语从句的关系代词不是that, 而是which？
...is the concept of the Triple Bottom Line. We all
know the term bottom line and what it refers to, namely the financial
profitability of the company. Triple Bottom Line, or 3BL as it is sometimes
called, recognises that there are two other important factors in measuring a
company’s success – soci...