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【单选题】
钢材经冷加工时效处理后，会产生的结果是（）。A.
弹性模量提高
B.
屈服点提高
C.
冲击韧性提高
D.
塑性提高
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举一反三
【单选题】When the wheel on the left begins to turn clockwise:
A.
the ball will roll to the left.
B.
the ball will roll to the right.
C.
the tray will stay level and go up.
D.
the tray will stay level and go down.
【单选题】To get the ball rolling means:
A.
To begin by talking about a certain topic.
B.
To get the meeting or discussion started.
C.
To introduce another speaker.
D.
Something on the plan to be discussed.
【单选题】The aim of basketball is for players to get a ball into the “basket”: a net ____ from a metal circle.
A.
hanged
B.
hanging
C.
to hang
D.
being hung
【单选题】It's time to roll up your _______ and get the job done.
A.
collar
B.
sleeves
C.
carpet
D.
tablecloth
【多选题】To get the ball rolling is similar to ______.
A.
start the ball rolling
B.
keep the ball rolling
C.
take the ball rolling
D.
make the ball rolling
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