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【单选题】
在均匀磁场中放置有三个面积相等且通过相同电流的线圈,他们是 一个矩形 , 一个正方形 , 一个三角形。下列叙述中正确的是:A.
正方形线圈受到的合磁力为零, 矩形线圈受到的合磁力最大
B.
三角形线圈受到的最大磁力矩是最小的
C.
三线圈所受的合磁力和最大磁力矩均为零
D.
三线圈所受的最大磁力矩均相等
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【简答题】阅读理解。 You're in a bit of a dilemma standing in front of the produce section of your local supermarket. In one hand, you're holding a conventionally grown Granny Smith apple. In your other hand, you ha...
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A.
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B.
where; which
C.
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D.
that ; which
【简答题】阅读理解。 You're in a bit of a dilemma standing in front of the produce section of your local supermarket. In one hand, you're holding a conventionally grown Granny Smith apple. In your other hand, you ha...
【简答题】B You're in a bit of a dilemma standing in front of the produce section of your local supermarket. In one hand, you're holding a conventionally grown Granny Smith apple.In your other hand, you have on...
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【单选题】下列不属于古罗马时期城市特点的是()。
A.
在被征服的地方建造了大量的营寨城。
B.
大量的建造了公共浴池、斗兽场、和宫殿等共奴隶主享乐的设施。
C.
教堂建筑占据着城市的中心位置。
D.
广场、铜像、凯旋门和纪功柱成为城市空间的核心和焦点。
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