皮皮学,免费搜题
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【多选题】
男士穿着西装时以下哪三种饰物最好是同一质地,同一颜色( )
A.
皮带
B.
钱包
C.
皮鞋
D.
袜子
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【简答题】用数字0,1,2,3,4,5,可以组成          个没有重复数字的6位偶数。(用数字作答)
【单选题】在d轴定向于转子磁链矢量的同步旋转坐标系中,如能保持转子磁链大小不变,则电磁转矩与定子电流的q轴分量成( )关系。
A.
平行
B.
反比
C.
正比
D.
垂直
【单选题】在d轴定向于转子磁链矢量的同步旋转坐标系中,如能保持转子磁链大小不变,则电磁转矩与定子电流的q轴分量成()关系。
A.
正比
B.
反比
C.
平行
D.
垂直
【简答题】按要求画一画,填一填.(图中每个小方格边长为1cm)画出图中三角形按3:1放大后的图形,放大后的三角形的面积是______平方厘米.
【单选题】Why did Magellan call the ocean the Pacific?
A.
Because he finally got to it.
B.
Because it was a new ocean.
C.
Because it was called the Pacific then.
D.
Because after struggles crossing the Atlantic, he saw it as calm and peaceful.
【单选题】Why is the exploration of the human-ocean connection very important?
A.
Because it can help human beings to make more amazing discoveries.
B.
Because healthy ocean can help reduce the growing burden our population is placing on this planet.
C.
Because we can know about how the ocean can provide for people.
D.
Because it contributes to my filming of the documentary.
【单选题】Why does Kate say, "That's a view of the ocean?"
A.
She thinks it's beautiful.
B.
She can't see a view of the ocean.
C.
We don't know.
【单选题】Why do the executives of AIG hesitate to distribute the money without the authorities consent?
A.
Because they are planning to win more subsidy from the federal.
B.
Because they couldn't hand out the money without agreement.
C.
Because they suffered a lot in the last similar event.
D.
Because they want to avoid conflict and public criticism.
【简答题】按下列要求画图。 (1)画出一个角关于直线l对称的图形; (2)画出四边形关于一边中点O对称的图形。
【单选题】离合器最容易磨损的零件为( B )。
A.
分离轴承
B.
从动盘
C.
压盘
D.
分离杠杆
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