根据《中华人民共和国国家安全法》，每年（）为全民国家安全教育日
A. 8月1日
B. 10月1日
C. 4月15日
D. 9月10日
万维网主要通过（）协议来建立用户与服务器之间的交互。
A. IP协议
B. HTTP协议
C. TCP协议
D. UDP协议
sales representative (rep)
A. visits customers, leaves samples and supports the customer services department.
B. is responsible for testing new products and deal with customers’ complaints.
C. interviews clients and gives them advice.
D. is responsible for the company’s accounts, and controls money coming in and going out.
E. organises meetings and deals with correspondence.
quality manager
A. visits customers, leaves samples and supports the customer services department.
B. is responsible for testing new products and deal with customers’ complaints.
C. interviews clients and gives them advice.
D. is responsible for the company’s accounts, and controls money coming in and going out.
E. organises meetings and deals with correspondence.
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