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【判断题】
电压和电流的参考方向可以任意指定,参考方向可以根据需要随时改变A.
正确
B.
错误
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【单选题】When I got to school, Amy ______his homework.
A.
had invented
B.
had finished
C.
had developed
D.
had rushed
【简答题】女性34岁，孕3产0，因月经过多，继发贫血就诊。半年来月经周期规则，经期延长，经量多，偶有痛经，白带稍多。查体：子宫均匀增大如孕7周，双附件未见异常。B超发现宫腔内有一实性团块，直径3.5cm。
【简答题】"I went to the Great Wall yesterday," he said. He said that ( 1 ) had gone to the Great Wall the day before. "We have to finish our experiement," they said. They said ( 2 ) had to finish ( ...
【简答题】在大气层结构中, 层是对人类生产、生活影响最大的一个层,是我们进行研究的主要对象。
【单选题】-Did you see Mr Brown when you were in France? -No, when I France, he had gone to China. [ ]
A.
had arrived to
B.
arrived to
C.
had got to
D.
got to
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