The real breakthrough took place when farmers began to cultivate crops along the floodplains of river systems. The advantage was that crops grown in such areas were not as dependent on rainfall and therefore produced a more reliable harvest.曹老师您好！在阅读过程中看到上文中的句...
...▲dock▲signal ▲in the hope of doing…▲so as to do... ▲recycle▲muscle ▲lack▲float ▲otherwise▲beyond ▲solar▲solar system ▲current▲figure out ▲sufficient▲soap ...
（一）During a hurricane,____to keep the air pressure equalized.в)some windows should open partiallyD) there should be some windows partially opened.请问这道题应该选哪个? there should&nb...
...看到的
like a drop of water from the point of a needle disappearing into the ocean, my days are dripping into the stream of life.其中disappearing in to the water是定语修饰water的不？
所以相当于like➕名词n.那么这个句子里like是介词？所以后面加名词？
那我想...
下面的句子摘自人教版高中英语必修六第71页：I told Peter not to be late. I was very angry when he still wasn’t home at midnight.我觉得句中的 at midnight 用得不妥，应改为 by midnight。因为 at midnight 的意思是“在午夜”，而到 by midnight 的意思是...
...状语，这个时间状语是否特指频度状语？比如：I have gone to
the library every day for 20 years.如果我去掉every day只用for 20 years就是错误的吧，因为非持续性动词go不可以接for持续时间状语，所以完成体表习惯必须是频度状语对不对？(另...
...用过去完成时。如：
By the time I got home, she had already gone to bed. 我到家时她已睡觉了。
By the time he got there, everyone else had arrived. 他到达那里时，别人已都到了。
The rain had set in steadily by the time we got home. 我们到家的时候雨已经...
...are no dusty cassette-tape fragments among the ancient bones, for example, to tell us how language was back in the early stages. (George Yule, The Study of Language, p. 1) 古代骨骼堆中，又没有带尘土的录音带碎片来告诉我们，在那些远古时代，语言是怎么样...
...了以下例句：before：It was before I went to college.It was five hours before I finished the work.after：It was after independence that the people began a new life.It ...
Social science is that branch of intellectual enquiry (which seeks to study humans and their endeavors in the same reasoned, orderly, systematic, and dispassioned manner that natural scientists use for the study of natural phenomena.)但正常来说，从句应该是in the same manner that natural s...
有两个完成句子的题目：1. Let's try to speak English ____________. 让我们尽可能多说英语。 答案是： as much as possible.2. Please write sentences ______________. 请写出尽可能多的句子。 答案是： as many as possible.我觉得，第1句中 as much as possible ...
...呢？ 那么当indeed和quite the opposite一起出现时： History teaches us that science is not _____ enterprise; indeed, it is quite the opposite, a motley assortment of tools designed to safeguard researchers against their own biases.空格处正确答案为a monolithic。句中有n...
Mother would count out to her a bag of laundry that had accumulated over several weeks. The number of farms declined over the period.over the period似乎是以一种鸟瞰（bird's eye view）的角度，「总结性」地看待这段时间。农场数量在时间内可能时而...