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【单选题】
发动机主轴承的金属材料牌号ZChSnSbl6—16—2代表( )。A.
铅基轴承
B.
铸造铝
C.
锡基轴承
D.
铸造铜
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反馈参考答案：
举一反三
【单选题】The talk might_____for weeks before any concrete result is announced.
A.
get bogged down
B.
hold out
C.
press on
D.
drag on
【单选题】which of the following is NOT mentioned as a possible cure for negative stress?
A.
Reading good literature．
B.
Practicing yoga．
C.
Working overtime．
D.
Having a healthy diet．
【单选题】Do you have any doubt ____________Chinese football can get better again? [ ]
A.
that
B.
if
C.
what
D.
how
【简答题】使用Statement的方法执行SQL命令时,如果提交的是SELECT语句,通常使用()方法;如果提交的是INSERT、UPDATE或DELETE语句,通常使用()方法。
【单选题】Which of the following is NOT mentioned as a possible cure for negative stress?
A.
Reading good literature.
B.
Practicing yoga.
C.
Having a healthy diet.
D.
Working overtime.
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