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【判断题】
由于图形对称,零件的内部结构形状已在半个剖视图中表达清楚,所以在表达外形的半个视图中,虚线不画。( )A.
正确
B.
错误
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举一反三
【单选题】_______checks for maintenance are performed regularly, you are not assured of reliable, quality service.
A.
whereas
B.
in case
C.
as long as
D.
unless
【单选题】It is known to all that _____ you exercise regularly, you won't stay in good health. [ ]
A.
unless
B.
if
C.
until
D.
as
【单选题】What quantities of the specified item can you regularly deliver ()short notice?
A.
at
B.
on
C.
in
D.
for
【单选题】It is known to all that _____ you exercise regularly, you won't keep good health. [ ]
A.
unless
B.
whenever
C.
although
D.
if
【简答题】Your body has ______ to stay lean when you exercise regularly.
【简答题】苛勒顿悟说的两个基本观点是什么？
【单选题】It is known to all that ____ you exercise regularly, you won’t stay healthy.
A.
because
B.
unless
C.
now that
D.
in case
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