用于脑水肿最安全有效的药是()
A.山梨醇
B.乙胺丁醇
C.乙醇
D.甘露醇
E.丙三醇
参考答案:D
He spoke very fast and very _____ people understood what he said.
A.little
B.a little
C.few
D.a few
室内的电线或家用电器因使用不慎而起火时,最好的灭火方法是( )
A.迅速用水泼灭
B.迅速切断电源然后灭火
C.迅速拉断电线再泼水
D.迅速用湿棉被捂住