White cumulus marched away through the blue to the pale southeastward rim of the world, but the sun kept its warm blaze against us, partly drying our wet skin. In the thin air the white vapor of our breathing took shape."Colder than you'd think," John said.请问老师红色部分为...
... to collapsing after lumps of soil were washed away by floods, threatening its foundations. 请问这里的threatening的逻辑主语是谁？
soil和floods好像不太对，还是说是"lumps of soil were washed away by floods"整句话是逻辑主语？
How silly it is to travel out by high-speed rail _____you can take a plane,whichis much cheaper.A.while B.when C.since D.though答案选B，可是C有既然的意思也能说通为什么不选？
1)Deinocheirus
had a rounded hump or "sail" on its back.2)hump:
round raised parts on a person's or animal's back.我查了很多资料，网上也看了，各种词典也看了，始终没搞清楚当用作形容词，表示圆的含义时，round和rounded究竟有什么区别？麻烦专家老师...
He phoned us to attend the meeting as scheduled.He phoned me to say the meeting would be postphoned.请问这两句用的都是 phone sb to do sth，但其中不定式的用法是不同的，对吗？我指的是它们的句子是不同的，对不对？请老师分析一下，谢谢！
...题。C. Have a rest. 休息一会儿。4. Which tour does
the man seem to be interested in? 这个人似乎对哪种旅游感兴趣？A. The evening tour. 夜游。B. The half-day tour. 半日游。C. The full-day tour. 全日游。5. Where are the
speakers? 对话的人在什么地方？A. At a ca...
有一道填空题：
Thousands of people were killed and many more left _________ (home) by the earthquake.
答案是填形容词homeless，但为什么不是副词homelessly呢？这里不是用于修饰动词left吗？为什么不用副词来修饰呢？谢谢解答！
Some people obsess over knowing the exact time. They buy clocks and watches that automatically adjust themselves over the Internet or by radio waves. These measurements allow them infinitesimal accuracy in dealing with time.最后一句是什么意思？是说这些方式处理时间非常不精准...