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【单选题】
世界上第一台 PC 机是由( )发明的。A.
中国
B.
日本
C.
美国
D.
德国
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参考解析：
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皮皮学刷刷变学霸
举一反三
【单选题】We can't buy anything because _________of the shops are open at this time.
A.
all
B.
some
C.
any
D.
none
【简答题】把常数或表达式的值送给一个变量称为 。
【简答题】阅读理解 Most shops in Britain open at 9:00am, and close at 5:00 or 5:30 in the evening. Small shops usually close for an hour at lunchtime. On one or two days a week-usually Thursday and/or Friday-some l...
【简答题】We can't buy anything because _________of the shops are open at this time.A. all B. some C. any D. none B. some C. any D. none
【单选题】对三角形内角进行5次等精度观测,其闭合差为:+5′′;-3′′;+1′′;-2′′;+6′′,则该组内角和观测值的中误差为( )。
A.
±2.4″
B.
±3.0″
C.
±3.6″
D.
±4.1″
【简答题】Most shops in Britain open at 9:00 am, and close at 5:00 or 5:30 in the evening. Small shops usually close for an hour at lunchtime. On one or two days a week—usually Thursday and/or Friday—some large...
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