—May I remind you that Mr. White is waiting outside, Mrs. Green? —Oh, I _________ all about it. A. forget B. had forgotten C. forgot D. was fo
通常状况下，将CO和O2的混合气体200 mL置于密闭容器内点燃，再恢复到原状况，气体的体积变为150 mL，则原混合气体中CO的体积可能是 A.100 mL
Ten years ago the population of our village was _______ that of theirs . A. as twice large as B. twice as large as C. twice as much as D. as twice much as
欧阳修上书说“京城今有雕印文集二十卷，名为《宋文》者，多是当今议论时政之言……祥其语言，不可流布，而雕印之人，不知事体，窃恐流布渐广
7．下列句中加横线词的解释，正确的一项是（ ） A．六艺经传皆通习之 六艺：礼、乐、射、御、书、数 B．
海岸线曲折，多峡湾与岛屿，海湾常深入内陆而两岸陡峭。以上是某种地质作用形成的海岸景观，据此完成下列问题。 （1）下列哪一种地区的海岸
—When can I come for the photos? I need them tomorrow afternoon． —They_______ be ready by 12：00. A．can B．should C．might D．need
国际经济和科技竞争越来越围绕人才和知识的竞争展开，发展的优势蕴藏于知识和科技之中，社会财富日益向拥有知识和科技优势的国家和地区聚集，
