...tional tourism because it allows
the traveler to become educated about
the areas—both in terms of geographical conditions and cultural characteristics,
and often provides money for conservation and benefits the development of the local areas. 【翻译】生态旅游通常被认为是对生态未...
...关于庭院装修文章中有一句话：These are rope-wrapped posts，they look like decorative
elements in this space, but they're also 4 by 4 that securely hold up these
overhead shades.上面内容是描述用4根石柱撑起的遮阳棚，石柱用绳子缠绕包裹。想请教这里使用的...
...The energy efficiency and emissions of the most advanced electric designs are pretty good. As good as solo drivers in efficient cars. And while there are no prices yet, there is nothing in these designs that needs to be very expensive if made in quantity -- but nobody has ever made passenger airplan...
网上看到关于always在否定句中的用法，如下：与 not 构成部分否定，此时 always 总是要放在 not之后(而不能在其前)。如：正: He doesn’t always go out with her.误: He always doesn’t go out with her.请问：我在网上也看到很多always用在否定词前...
A：Mike, what do you know about writing a business plan?B：Plenty. What type of plan are you writing?A：Well, I have this great new idea that I think it will make a motza. B：Want to let me in on the secret?A：Not yet, my friend, but I would like your help in writing the business plan.
Not only is it a great method for avoiding more work down the road，it can also be extremely important for averting problems。这不仅是一种好方法去避免接下来一路上会做更多的劳动， 同时，具有前瞻性对于防止问题也极其重要。
...2.A three-good student ________ have done such a thing.答案里有could not, may not和might not，可以是选了could not,解释是英语里一般不会用may和might的否定完成式，请问是为什么呢？3. He _may have missed_ the train.说划线部分不能用may not have been, 要说...