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【简答题】
已知数的补码表示形式如下,分别求出数的真值与原码。 (1) [X] 补 =78H    (2) [Y] 补 =87H (3) [Z] 补 =FFFH    (4) [W] 补 =800H
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举一反三
【单选题】典型的心理测量函数具有:
A.
螺旋形.
B.
S形
C.
浅U形
D.
尖V形
【判断题】装配图中,同一零件在各视图上的剖面线方向可以相反,但是间隔必须一致
A.
正确
B.
错误
【单选题】在装配图的规定画法中,同一零件在各视图 上的剖面线方向和间隔必须
A.
不一致
B.
一致
C.
可一致可 不一致
【单选题】在装配图的规定画法中。同一零件在各视图上的剖面线方向和间隔必须( )
A.
一致
B.
不一致
C.
可一致可不一致
【单选题】Your sister has made an ______ for you to see the dentist at 3 this afternoon.
A.
appointment
B.
interview
C.
opportunity
D.
assignment
【判断题】在装配图中,同一个零件在各视图上的剖面线方向和间隔必须一致。
A.
正确
B.
错误
【单选题】—Has your sister visited Disneyland _____? —Yes, she has visited it ________.
A.
yet, yet
B.
already, already
C.
already, yet
D.
yet, already
【简答题】先进制造技术在怎样背景下推出的,其内涵与特点如何?
【单选题】-__________ ?   -She is thin and has long hair.
A.
What does your sister look like?
B.
What does your sister like?
C.
What is your sister look like?
【单选题】Has your sister returned____
A.
om school?
B.
s, he ____for more than half an hour.
C.
home; has been back
D.
home; has come back
E.
to home; has come
F.
to home; has been back
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