问题
单项选择题
当标准电阻器和被检电阻器()不同时,应采用过渡传递法
A、实际值
B、理论值
C、显示值
D、标称值
答案
参考答案:D
当标准电阻器和被检电阻器()不同时,应采用过渡传递法
A、实际值
B、理论值
C、显示值
D、标称值
参考答案:D
完形填空。 | |||
It was Sunday yesterday. Henry wasn't 1 home. He was on a 2 to the zoo. An old man got on the bus. Henry stood up and 3 to him, "Come and sit here, please." He helped the old man 4 ." Thanks 5 , good boy," the old man said."You're welcome," said Henry. The bus went on. Thirty minutes later, it stopped 6 the zoo. Henry got off the bus and said 7 to the old man. The old man smiled (微笑) at him in a friendly way. Henry went into the zoo. 8 of the people there are students. He 9 a lot of animals and birds, and he also took many photos. He spent a happy weekend 10 he helped others and had a good time in the zoo. | |||
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