采掘工作面各种移动式采掘机械的橡套电缆,必须严加保护,避免(),撞击,挤压和()。
参考答案:水淋;炮崩
What shocked the police and the people around most was that the kidnapper suddenly ______his pocket and took out a gun in a desperate attempt to escape with the kidnapped child.
A.dived into
B.slipped into
C.slid into
D.fit into
麻疹早期诊断的临床依据
A.发热3~4天后耳后出疹
B.接触麻疹患儿后发热
C.高热及耳后、淋巴结肿大
D.口腔有麻疹黏膜斑
E.未按时接种麻疹疫苗