一般在服毒后几小时内洗胃有效()
A.48小时内
B.24小时内
C.4~6小时
D.12小时
E.11小时
参考答案:C
根据句意,补全单词。
1. The boy wants his father to buy a _____ plane for him as a birthday present.
2. We often play games or go fishing in our _____ time after school.
3. We know Obama is the youngest _____ of the American.
4. Good _____ can help you find good job.
5. There are some _____ in the space such as the earth, the sun and so on.
在飞行期间,机长对飞机的运行拥有完全的控制权和管理权,当责任机长生病或因其他原因丧失指挥能力时,接替指挥、管理权的程序是()
A.第二机长→副驾驶→乘务长→乘务员
B.副驾驶→第二机长→乘务长→乘务员
C.乘务长→副驾驶→乘务员
D.第二机长→副驾驶→援助者→乘务长