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【简答题】
We ______ down when a waitress ______ plates of food for us. A) had hardly sat / had brought B) hardly sat / brought C) hardly sat / had brought D) had hardly sat / brought
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举一反三
【简答题】国家强制性标准将服装面料按安全性分为 A类产品、B类产品和C类产品,其中A类产品指的是( )
【单选题】Depending on the area of application, the KR AGILUS is available in a number of different variants:
A.
water proof, cleanroom or hygienic machine.
B.
explosion-proof, splash proof, cleanroom or hygienic machine.
C.
explosion-proof, splash proof, fire-proof.
D.
explosion-proof, dirt-proof
【单选题】2单选_____is defined as a sudden application of a load confined to a localized area of a material.
A.
Stretch
B.
Compress
C.
Punch
D.
Impact
【单选题】( ) is a temporary holding area for data, application program instructions, and the operating system.
A.
RAM
B.
Hard disk drive
C.
Storage
D.
ROM
【简答题】同轴电缆的结构从内到外分别为导体、 、屏蔽层和保护层4个部分。
【简答题】_____ is a temporary holding area for data, application program instructions, and the operating system.
【单选题】( ) is a temporary holding area for data, application program instructions, and the operating system.
A.
RAM
B.
ROM
C.
Storage
D.
SSD
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