假如你是一名大学生,名叫李华。你所在的班级最近就“大学生是否应经济独立”的话题展开讨论,同学们发表了不同的看法。请你根据以下所给内容
—Did you visit the famous cultural relics last month? —No,we _________ it,but we spent too much time shopping. A.could have visited B.must have visited C.can’t have visited D.shouldn’t
— Michael was late for Mr. Smith’s oral class this morning. — _________? As far as I know, he never came late to class. A. How come B. So what C. Why not
阅读下列材料,完成下列各题: 材料一:马六甲海峡历来有“东方的直布罗陀”之称。中国约60%的石油进口必须通过马六甲海峡。该区域航道异常拥堵
一质点在x轴上运动,初速度,加速度a>0,当a的量值开始减小,则该质点( )A.速度开始减小,直到加速度等于零为止B.位移开始增加,直到加
阅读下列材料: 材料一 梭伦在诗中这样写道:“在时间的裁判席面前,那奥林匹克诸神的伟大母亲,黑土,将是最好的证人,因为正是我,为它扒
Books don’t grow on trees A local community college professor decided to fight back. “The price of books for our students is just getting higher and higher and, combined with the ris
晴朗的夜晚,我们用肉眼观察下列各种天体的感觉,叙述正确的是 ①星光闪烁的恒星 ②在星空中有明显移动的行星 ③一闪即逝的彗星 ④