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【单选题】
螺栓连接的被连接件是锻件或铸件时，安装螺栓处加工凸台或鱼眼坑，其目的是（）。A.
易拧紧；
B.
避免偏心载荷；
C.
增大接触面，提高承载能力：
D.
外观好。
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反馈参考答案：
举一反三
【简答题】It Was in that big room__________I saw the great man．
【单选题】听力原文：M: I think it's starting to snow. W: Starting to snow? Look, the ground's already white. Q: What does the woman mean? (16)
A.
It has just begun snowing.
B.
She doesn't like snowy days.
C.
It has been snowing for some time.
D.
She doesn't think it's going to snow.
【简答题】I saw the man (knock) ______ down by a car in the street.
【单选题】听力原文：M: I think it's starting to snow. W: Starting to snow? The ground's already covered. Q: What does the woman mean? (19)
A.
The winter has just begun.
B.
Once it starts, it'll snow a lot.
C.
They're ready for the snow.
D.
It has been snowing for some time.
【简答题】国际民航组织的总部位于:
【多选题】下列账户中,年末结账后应该没有余额的有( )。
A.
“主营业务收入”账户
B.
“营业外收人”账户
C.
“本年利润”账户
D.
“利润分配”账户
E.
“管理费用”账户
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