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...
Reminder: The KonMari Method, as it is called, asks you to hold each possession and ask yourself whether it sparks joy, and if it doesn't, thank it for its service and let it go. as it is called这里是引导的状语从句吗？方式状语从句？as这里担任成分吗？
... 5. 它可以像其他成分一样作为未知部分而进行。It is as a doctor that I respect him.Do you respect him as a doctor.I only as a doctor respect him.How do I respect him as a doctor ?感觉宾语附加状语说法好像并不成立，不知到问题出在哪里，希望老...
... how much and when they
should share data, and they debate whether sharing it is more likely to
accelerate science and make it more robust, or to introduce vulnerabilities and
problems.whether sharing it is more likely to ... 为什么这里有个it，起是什么作用？
...rone are pricey,although JD says the cost will gradully come down as it scales up the network and bulids more drones (it plans to sell those it makes to other firms,as well as use them for its operations).1.as well as 前面的逗号可以去掉么？2.those it，those 指代drones it 指代...
...n is said to be the first young teacher ______ to professor in your university this year. —Exactly. ______ of his own competence is an important factor in his success. A. promoted; Convincing B. to have been promo...
...nbsp;job on time ? A.this B.that C.he D.it2.After__seemed a very long time,I opened my eyes and fond myself in bedA.what B.when C.that D.which3.____he said at the meeting...
"There's no career counseling implicit in all of this." Instead, the best strategy is to use the agent as a kind of tip service to keep abreast of jobs in a particular database; when you get E-mail, consider it a reminder to check the database again. " 这是一道猜词题，解析说分号...
...个句子，引发了我想探讨这个问题。1 You may stay on one condition that you give me your parents' address in case anything happens.从属连词in case(介词+名词)2 B带A散步后， A：I feel quite invigorated. B：I shall take that as a compliment seeing as I pushed you int...
...的journal（笔记本）给了另一个可以托付的人，同时说：It is as much yours as it is mine. 搜遍全网也没有找到这个句型的分析，尊敬的曹老师，我个人理解是：it is yours. It is mine. 第二个as是连词引导比较状语从句，第一个as为程度副...