(单选题)18: It's ________ that he was wrong. A: clearly B: clarity C: clear D: clearing ...
(单选题)12: The _____ he got in the war _____ his early death. A: wounds, leads to B: wounds, contribute to C: injuries, led to D: injuries, contributes to ...
(单选题)6: You ought to know better than _________ yourself in unnecessary expense. A: to involve B: involve C: involving D: involved ...
(单选题)20: ---_________ is the bike?---Just $150. A: How much B: How many C: How long D: How often ...
(单选题)14: The coffee is wonderful! It doesn’t taste like anything I _____ before. A: have ever had B: have C: was having D: had ever had ...
(单选题)8: My watch needs _______. A: repair B: repaired C: repairing D: to repair ...
(单选题)2: ― Pleased to meet you! ― ________________ A: Pleased to meet you, too. B: How do you do? C: I've heard about you. D: The pleasure is mine. ...
(判断题)12: 力学中仅用静力学平衡方程不能求出全部未知力的情况称为静定问题。 A: 错误 B: 正确 ...
(单选题)15: 将激光束照射到全息照片上时,以实现全息再现,若照射面积仅占整个全息照片的 2/3时,下列叙述中哪个是正确的( ) A: 仅观察到再现像的2/3 B: 观察到再现像,只是分辨本领低一些 C: 观察到整个再现像,但像将小一些 D: 像的颜色将会改变 ...
(单选题)9: 光学在生活中应用很多,下列说法正确的是( ) A: 全息照相利用的是光的偏振现象 B: 立体电影利用的是光的偏振现象 C: 市面上的冷光灯应用的是光的偏振现象 D: 肥皂泡在阳光下呈现五彩缤纷的,是光的折射现象 ...