选择题:3、(1分) The president.s home and the city of Washin

题目内容:
3、(1分)
The president.s home and the city of Washington were ________.



A)
built by the American army .
B)
built by the British troops
C)
planned by George Washington
D)
planned by the French
参考答案:

发电机风温过高会使定子线圈温度、铁芯温度相应升高;使绝缘发生脆化,丧失机械强度;使发电机寿命大大缩短

发电机风温过高会使定子线圈温度、铁芯温度相应升高;使绝缘发生脆化,丧失机械强度;使发电机寿命大大缩短。( )

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近10年来,冠心病分类趋向如下哪种()或A心绞痛、心肌梗死、心肌纤维化B心绞痛、心肌梗死C急性冠脉综

近10年来,冠心病分类趋向如下哪种()或A心绞痛、心肌梗死、心肌纤维化B心绞痛、心肌梗死C急性冠脉综合征和慢性冠脉病D稳定性冠心病和不稳定性冠心病

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