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【单选题】
下面有关命令SETDEVICETOPRINTER的叙述正确的是______。A.
该命令的性能是开关打印设备
B.
该命令的性能是将打印机联机
C.
该命令的性能是设置@…SAY命令的输出定向为打印机
D.
该命令的性能是设置“?”或“??”命令的输出定向为打印机
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【单选题】After we made the improvement there were only ______ as before.
A.
one-tenth defective products as many
B.
one-tenth as many defective products
C.
defective products one-tenth as many
D.
defective products as one-tenth many
【简答题】A.They were produced on the assembly line. B.They were built with less costly materials. C.They were modeled after British cars. D.They were made for ordinary use.
【简答题】充当,起作用
【单选题】The technology consultant will ______.
A.
help customers with IT problems
B.
purchase IT products for the company
C.
sell computers to customers
D.
sell IT information to customers
【单选题】Malaysia is a country that______in the manufacture of rubber products.
A.
specializes
B.
produces
C.
turns
D.
makes use
【单选题】The main idea of the third paragraph is that ______.
A.
a mature torpedo is capable of producing enough electricity to knock down a man
B.
the mass of the fish decides the intensity of electric power it generates
C.
the strength of shock given by a young electric ray can only light the bulb of a pocket flashlight
D.
to make full use of the energy produced by electric fish, suitable wires should be available
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