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【判断题】
基制中的基准，其基本偏差代号为H，表示下偏差为零。A.
正确
B.
错误
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【简答题】Runners in a relay race pass a stick in one direction. However, merchants passed silk, gold, fruit, and glass along the Silk Road in more than one direction. They earned their living by traveling the ...
【单选题】汇编语言是一种 A) 依赖于计算机的低级程序设计语言 B) 计算机能直接执行的程序设计语言 C) 独立于计算机的高级程序设计语言 D) 执行效率较低的程序设计语言
A.
B.
C.
D.
D
【单选题】Which one is the key to making silk?
A.
Animals' carefulness.
B.
The water content in its silk glands.
C.
The proteins.
D.
The mulberry leaves
【单选题】根据以下材料，回答题 New Understanding of Natural Silk's Mysteries Natural silk， as we all know， has a strength that manmade materials have long struggled to match. In a discovery that sounds more like an ancie...
A.
Right
B.
Wrong
C.
Not mentioned
【单选题】She removed ________ hat she was wearing and tried on ________ black silk one. [ ]
A.
a; a
B.
the; the
C.
the; a
D.
a; the
【简答题】One can not make a silk purse out of a sow’s ear.
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【单选题】汇编语言是一种 A) 依赖于计算机的低级程序设计语言 B) 计算机能直接执行的程序设计语言 C) 独立于计算机的高级程序设计语言 D) 执行效率较低的程序设计语言
A.
B.
C.
D.
D