...tic waves. The challenge in trying to observe these waves directly is that theyare extremely weak. To make waves large enough to be detectable, the most voilent events in the universe are required: supernova explosions, the formation of black holes, or the collision of stars. Even so, the effects a...
...ds of factual matters were kept in storage to be available for reference—they were,in effect,files,or,to use the term preferred by specialists in the ancient Near East,archives.Now and then these files include pieces of writing that areof a distinctly different order,writings that do not merely r...
...Parents increasingly complain of having difficulty getting their children away from computer games. 课本对这句提出的疑问句是：Q2: What’s parents attitude toward playing computer games?请问老师，parents 后面是否需要加一撇（’）变为parents’ attitude? attitude ...
Students arebeing dared to draw a picture，write an article，take a photo or write a poem that shows what theyare curious about．老师好，请问如何理解加粗部分的用法？为何不用are daring to ？是否有be dared to do 的用法？此时dared是否为情态动词？
Students arebeing dared to draw a picture，write an article，take a photo or write a poem that shows what theyare curious about．老师好，请问如何理解加粗部分的用法？为何不用are daring to ？是否有be dared to do 的用法？此时dared是否为情态动词？
... pot-holers arrived at an enormous cavern, the size of a huge concert hall.After
switching on powerful arc lights, they saw
great stalagmites - some of them
over forty feet high - rising up
like tree-trunks to meet the stalactites suspended from the roof. 1）the
size of a huge concert hall 现代...
...nded not to see, everything would come right. I made up my mind to get him away quietly, without quarrelling. Oh, if you only knew what I've suffered!"Then he told me again of his asking Strickland to go. He chose his moment carefully, and tried to make his request sound casual; but he could not mas...
见到过 late into the night 的用法。如：
The meeting went on late into the night.
We sang and dance until late into the night.
但今天看到一个 late at night 的用法：
If you are on campus in the evening or late at night, you can buy snacks, fast food, and drinks in the Lo...
...1) which had most disconcerted me in my dealings with him. When people say they do not care what others think of them, for the most part they deceive themselves. Generally they mean only that they will do as they choose, in the confidence that(2) no one will know their vagaries; and at the utmost on...
...ason, the
water level can rise to more than 12 metres. When the water goes away, it takes
away the nutrients in the soil. For another thing, (5)___________ the Amazon’s
hot climate, it is difficult for the soil to build up enough nutrients. Dead
plants and animals (6)___________ more quickly. The ...
...first pot of gold is nothing but a bit over ten yuan, which I have made by
shouldering one basket of earth after another.” On hearing this, he shook his head,
bemused.我说的是真的。那是我生平挣的第一笔钱，数目不大，对我的人生而言，却价值不菲。尽管以后我...
... of those research materials from falling into the hands of Russian forces shouldthey approach.这里的we're now quite concerned Russian troop这句话为什么直接放在了句子的中间？