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在给出的电路图的空缺中分别填入电池、电压表、开关的符合，使电路成为通路，且灯L1、L2串联，电压表测灯L1两端的电压；并在电路图中标出电流方向和电压表的“+、﹣”接线柱。

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单项选择题

女性，17岁，右耳乳突区隐痛，右耳后乳突区出现包块，逐渐增大，CT检查如图所示，请选择最可能的（）

A.胆脂瘤

B.化脓性中耳炎

C.嗜酸性肉芽肿

D.中耳癌

E.听神经瘤
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单项选择题

Like other men of vision (有识之士) , Maceo had no time for racism, for the false idea that one race of men is better or worse than any other. Some of the whites of Cuba disagreed with him. They were Spanish settlers who thought that white was going to be better than black even in an independent Cuba.
One day Maceo was approached by a Spanish Cuban who suggested that the regiments of independence army should be divided into whites and nonwhites. Maceo made him a reply which became famous in Cuba. "If you were not white," Maceo said to this man, "I would have you shot on the spot. But I do not wish to be accused of being a racialist as you are, and so I let you go, but with the warning that I shall not be so patient another time. The revolution has no color.\

The Spanish Cuban was a black racialist.
A. Right.B. Wrong. C. Doesn’t say.
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