...t flies, and slipping through a medium that seems to help its passage even when the wind is adverse.参考译文：燕子充分兼有这两类鸟的长处，它既不疲劳，也不炫耀自己的飞翔力；在空中十分自如，可以飞行6,000英里，可以飞往北方做窝的老家，再从...
...n on
something (P2138)作“British
English to expect something to happen, when you are making plans 【英】指望，预料”解时，构成“reckon on doing
something”。例如：I was reckoning on
getting at least 60% of the votes.我希望至少能获得60%的选票。184.recollect（P2139...
... May, by ___ the new house should be finished. a. which b. that c. whom d. when 2. The book was written in 1946, ___ the education system has witnessed great changes. a. when b. during which c. since then d. since when 我认为结构相似，但第一题选a, 第二题却选d. 究竟区别在哪里...
For the MC, when the moisture content is constant, its thermal conductivity is positively correlated with dry density; when the dry density is constant, the thermal conductivity is also positively correlated with moisture content. 上面这句子可以用vice versa简化为以下形式吧For th...
...其他动词的时候，两个句子哪个正确，例如：Did they ask when you would leave?When did they ask you would leave?问题就是，对一个名词从句里面的成分提问，特殊问句是在句中正确，还是放到句首正确？They asked that you would leave tomorrow. 他们问...
...n the project is 80-year-old Ruth Xavier. She said: “I used to keep hens when I was younger and had to prepare their breakfast each morning before I went to school.翻译：该项目的人当中有80岁的露丝·泽维尔。她说：“我小时候曾养过母鸡，每天早上上学前都要给...
...性”。这种非推测性用法的must，其否定都用needn’t（或not have to），表示“不必”。例如：A：Must we pack now? B：No, we needn't till tomorrow. （UGE）A.
Must you go? B. Well, I don’t
have to, but I think I’d better (go).（UGE）如果...
Now, as the fat cells of our face, chest, arms etc. have more beta receptors than alpha, the fat breakdown is faster and easier.由于我们面部，胸部，手臂等部位的beta受体比alpha受体多，脂肪分解更快更容易。句中出现了more beta receptors than alpha， 显而易见，...
老师，您好，我有以下几个问题：1. Not much clothes is needed. 这句话中clothes作为复数名词：(1) clothes 前面为什么可以用much，而不是用many？(2) 谓语动词为什么不用复数形式？2. Too much old magazines is on sale there. Too much fruits is ...