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【单选题】
His room needs , so he must have it .
A.
painting; painted
B.
painted; painting
C.
painting; painting
D.
painted; painted
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【简答题】No book or magazine can be taken out of the reading room without p______.
【单选题】Nowadays,children often prefer__________ TV to readin9. A.watchingB.to watch###SX
A.
Nowadays,children often prefer__________ TV to readin9. A.watching
B.
to watch
C.
being watched
D.
watch
【单选题】_______ hard and you _________ enjoy it .
A.
Working; enjoy
B.
Work; enjoy
C.
Work ; will enjoy
D.
Woking; will enjooy
【判断题】多个互斥方案比较,应该选择净现值大的方案。
A.
正确
B.
错误
【单选题】如图所示电路,用与非门实现的逻辑函数式中有误的项是 。【图片】
A.
(1)
B.
(2)
C.
(3)
D.
(1) ; (2)
【单选题】球-管平衡是指,重吸收量始终占滤过量的
A.
50℅~60℅
B.
60℅~70℅
C.
65℅~70℅
D.
70℅~80℅
E.
60℅~65℅
【判断题】多个互斥方案比较,一般应选择净现值大的方案。
A.
正确
B.
错误
【简答题】Where can the visitors enjoy the beautiful pool? They can enjoy it on the sunny ______.
【单选题】用与非门构成的逻辑电路如下图所示,其中逻辑函数式错误的项是 。【图片】
A.
图(1)
B.
图(2)
C.
图(3)
D.
图(1)和图(2)
【单选题】如图所示电路中,与逻辑式Y1=AB+BC、Y2=(A+B)(A+C)对应的逻辑图顺序是 。【图片】
A.
(1) ; (2)
B.
(2) ; (1)
C.
(1) ; (1)
D.
(2) ; (2)
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