雷得法蒸气压大于1.8×105Pa的试样不应使用()盛装。
A、油听
B、铁盒
C、玻璃瓶
D、塑料瓶
参考答案:C
猩红热患儿及疑似者应隔离治疗:()
A.3天
B.4天
C.5天
D.6天
E.7天
So loudly _____ that ______ hear her clearly.
A.did she speak; could everyone
B.did she speak; everyone could
C.she spoke; could everyone
D.she spoke; everyone could