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【单选题】
在下列命令中,不能显示文本文件内容的命令是:
A.
less
B.
tail
C.
join
D.
more
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参考答案:
举一反三
【单选题】Companies are creating new tables all the time in order to stay competitive and _____.
A.
attracting new customers
B.
don't lose their customers
C.
increase the number of customers
【单选题】最早正式使用“班级”一词的是著名教育家()
A.
埃拉斯莫斯
B.
夸美纽斯
C.
罗杰斯
D.
布鲁纳
【简答题】A.Clothes, cooking equipment, old toys, tools, tables and chairs. B.All brand-new things. C.Rugs and lamps. D.Old money, stamps, dolls bottles, baseball cards and so on.
【判断题】最早正式使用“班级“一词的是著名教育家夸美纽斯。
A.
正确
B.
错误
【简答题】最早正式使用“班级”一词的著名教育家是____________。
【单选题】New oak tables are normal goods. What would happen to the equilibrium price and quantity in the market for oak tables if the price of maple tables rises, the price of oak wood rises, more buyers ente...
A.
Price   will fall and the effect on quantity is ambiguous.
B.
Price   will rise and the effect on quantity is ambiguous.
C.
Quantity   will fall and the effect on price is ambiguous.
D.
Quantity   will rise and the effect on price is ambiguous.
【单选题】New oak tables are normal goods. What would happen to the equilibrium price and quantity in the market for oak tables if the price of maple tables rises, the price of oak wood rises, more buyers ente...
A.
Price   will rise and the effect on quantity is ambiguous.
B.
Quantity   will fall and the effect on price is ambiguous.
C.
Quantity   will rise and the effect on price is ambiguous.
【单选题】下列球化退火的目的中不正确的是
A.
降低硬度,改善切削性能
B.
获得均匀组织,改善热处理工艺性能
C.
经淬火,回火后获得良好综合力学性能
D.
获得高的强度和硬度
【判断题】某负载电阻从电源获得最大功率时,电路的传输效率为50%。
A.
正确
B.
错误
【单选题】That lawyer ______ the tables this morning by producing some strong new evidence.
A.
turn
B.
turned
C.
turns
D.
turning
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