【单选题】—Mom, I am late. I have to run off to the school. —Dear, you needn’t do that. Today is Sunday.
【单选题】I have run out of the salt. I need to buy some now.
【单选题】I have _______ sugar, so I have to buy some.
【单选题】下列功能中 , 哪一个最好地描述了 OSI 模型的数据链路层 ( )。
【单选题】下列功能中,哪一个最好地描述了OSI参考模型的传输层( )。
【单选题】某病人,男性,40岁。因肝硬化致食管胃底静脉曲张,护士应指导病人摄入的饮食为
【单选题】—Have we water? —Yes, . We’d better get some.
A.
run out of; we have run it out
B.
run out of ; our water has run out
C.
run out of; our water has been run out
D.
run out; our water has run out
【判断题】I have run out off my money.
【单选题】下列功能中,哪一个最好地描述了OSI模型的数据链路层( )