reclaim v.使改过，改造;开垦，开拓;回收利用(废物)recognition n.承认;重视;认出recognize(=recognise) v.认出;认可;赏识recoil v.弹回，产生反作用;后退，退却，退
read v.读readable adj.易读的，可读的;(字迹)清晰的reader n.读者;读物，读本readily adv.乐意地，欣然地;容易地reading n.阅读，读书，知识;读物，选读ready adj.
rally v.集合，团结;恢复(健康等)，重新振作n. 群众集会，群众大会;公路汽车赛ram n.公羊;撞，锤，捣;v.捣，撞击ramble v.闲逛，漫步;漫谈;蔓延ranch n.大牧
rabbit n.兔子race1 n.速度竞赛，赛跑;(海、河中的)强大的水流，急流;水道，沟渠;种族，人种，民族，种族归属;(动植物的)种类，属race2 n.(速度上的)比赛;
quake vi.颤抖;震动，摇晃n.颤抖，震动qualification n.资格，资格证明，合格证书;限定，限制性条件;先决条件qualify vt.使胜任，使有资格;正式授权，准予;修
“Down-to-earth”means someone or something that is honest.realistic and easy to deal with.It is a pleasure to find(31)___who is down-to-earth.A person who is down—to-earth is easy to talk(32) ___
The most obvious purpose of advertising is to inform the consumer of available products or services.The second (31)___is to sell the product.The second purpose might be more important to the manufactu
Why the inductive and mathematical sciences, after their first rapid development at the culmination of Greek civilization, advanced so slowly for two thousand years-and why in the following two hundre
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