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【单选题】
当进行了“改变当前图形比例尺”后,有时带线型的线状实体,如陡坎,会显示实线,这并不是图形出错,而只是显示的原因,要想恢复线型的显示,只需输入( )命令即可。A.
REGEN
B.
POINT
C.
MOVE
D.
DDPTYPE
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【单选题】There isn’t such a word ______ I know.
A.
as soon as
B.
as long as
C.
so long as
D.
so far as
【简答题】如图所示的二铸铁梁,材料相同,长度相等。承受相同的载荷F。当F增大时,破坏的情况是: A :同时破坏; B:1梁先坏; C:2梁先坏
【单选题】Although we in this neighborhood for 5 years so far, we haven ’ t got to know many people yet.
A.
were
B.
have been
C.
had been
D.
are
【单选题】________ we don’t lose hope, there is still a chance for us to survive the snowstorm. [ ]
A.
So far as
B.
for fear that
C.
So long as
D.
As soon as
【单选题】__________ we know，there are l07 elements found in nature． A.so far asB.As for###
A.
__________ we know，there are l07 elements found in nature． A.so far as
B.
As for
C.
Just as
D.
So long as
【单选题】As far as we know, half of Canadian teenagers do not get enough sleep on school nights, _____?
A.
do they
B.
don’t they
C.
don’t you
D.
isn’t it
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