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【判断题】
在 PoE 术语里 PSU 全称是 Power Supply Unit,指的是供电单元,如 PoE 交换机的以太网接口。A.
正确
B.
错误
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举一反三
【简答题】2拓展练习:旋转及阶梯剖视图混合巧妙的表达.docx
【单选题】What’s the meaning of “principle” in “ These machines both work on the same principle. ”?
A.
原则
B.
原理
C.
品德
D.
行为准则
【单选题】The severance of church and state is a basic principle of our government.
A.
integration
B.
discrimination
C.
separation
D.
exposition
【单选题】What is the company's business principle?
A.
provide customers with high quality service
B.
provide customers with better goods
C.
provide customers with large quantity of power
D.
provide customers with competitive prices
【简答题】What is the three C’s principle? What are the principle parts of a business letter?
【单选题】Coal is hard, like a rock and yet it burns, while no rocks ______.
A.
do
B.
does
C.
are
D.
is
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