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【判断题】
最优的生产要素组合时,边际技术替代率等于两种要素的价格之比( )A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】听短文回答问题 How many tickets did Tom buy when the girl asked him? ____ 1 ____. What did the big boy do in the cinema? He is a ____ 2 ____. What can we know from the passage? It’s ____ 3 ____ time that Tom...
【简答题】This is a photo of Mr. King’s family. Mr. and Mrs. King have got three children. They in England. Mrs. King is English teacher. Mr. King is a math teacher. daughter is eleven and is a student. Her nam...
【单选题】听力原文：How many tickets do you want? (15)
A.
Five, please.
B.
Here you are.
C.
Five yuan each.
【单选题】以下对于协议分析仪Label命令描述不正确的一项是（）。
A.
使用Label可以在程序执行过程中加上条件分支
B.
使用Label可以提供程序循环的能力
C.
Label总是附带一个相关的数
D.
Label指令可以插入在程序的任意位置
【单选题】How does the crowd respond to Mr. King?
A.
They have a negative response. They do not support Mr. King's message.
B.
They stay very quiet the whole time.
C.
They cheer and clap for powerful parts of Mr. King's speech.
D.
They do not appear to be paying attention.
【简答题】给下列的问句选择合适的答语。 ( ) 1. What are they doing? ( ) 2. How much is the fruit? ( ) 3. How many tickets do they need? ( ) 4. Where is Danny? A. Four tickets. B. He is at the store. C. They ar...
【单选题】分析以下SQL 命令: SELECT price FROM inventory WHERE price BETWEEN 1 AND 50 AND (price IN(55, 30, 95); 命令执行后的最可能的输出结果是()
A.
55
B.
30
C.
90
D.
49
【简答题】根据对话情景选择恰当的选项，其中有两个选项是多余的。 A. Which kind do you want? B. How many tickets do you want? C. May I have your name and telephone number, please? D. Which train should I take? E. Can I help you? F. When do...
【单选题】如果在交换机上分析以太网报文，可以使用以下哪条命令？（）
A.
display interface
B.
debugging ethernet packet
C.
debugging ip packet
D.
display ip interface
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