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【单选题】
从通信网络的传输方面,数据加密技术可分为链路加密方式、节点到节点加密端到端加密方式。()是对整个网络系统采取保护措施。A.
链路加密方式
B.
节点到节点加密方式
C.
端到端加密方式
D.
连接设备之间加密方式
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【简答题】For me, ______ is what I need most. I have three children, So I don’t want to be out of work.
【简答题】For me, __________ is what I need most. I have three children so I don't want to be out of work.
【单选题】He gave us on how to learn English.
A.
some advices
B.
some advice
C.
an advice
D.
a advice
【单选题】某企业属于增值税一般纳税人，外购货物取得增值税专用发票上注明的销售额为 20000元，税额为3400元，发票填写符合要求。另取得铁路部门的运费收据一张，记载金额为：运费800元，保险费50元。当期准予抵扣的进项税额为( )元。
A.
3480
B.
3485
C.
3400
D.
3456
【简答题】文摘是以提供( )为目的,简明、确切地描述文献主要内容的短文。
【单选题】He gave us on how to keep fit.
A.
some advices
B.
some advice
C.
an advice
D.
a advice
【单选题】听力原文：A: Janet Clark is a nurse in a large London hospital. I want to find out what she thinks of nursing as a career. Janet, why did you become a nurse? B: I think I always wanted to be a nurse. I wan...
A.
Nurses are highly respected by people.
B.
Nurses have good salaries.
C.
Nursing is very important.
D.
Her parents asked her to be a nurse.
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