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【判断题】
多媒体个人电脑的英文缩写是APC.
A.
正确
B.
错误
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参考答案:
举一反三
【单选题】47 电流表是用来显示( )充电或放电的电流值,同时检查电源是否正常。
A.
发动机
B.
汽车仪表电路
C.
蓄电池
D.
电动机
【简答题】听对话及问题,选择正确的答案。 1. What is Tom going to do this weekend? [     ] A. To go shopping. B. To do some cleaning. C. To go skating. 2. What time did the class begin? [     ] A. At 8:05. B. At 8:10. C. At 8:...
【单选题】设 为同阶方阵,则下列结论中错误的是 .
A.
(其中 是个数)
B.
C.
若 是可逆矩阵, 是个非零数,则
D.
若 是可逆矩阵,则
【简答题】选择左边问题中的正确答案。 (     ) 1. What's he going to do? (     ) 2. What did he do yesterday? (     ) 3. What is he doing now? (     ) 4. Why do you like winter? (     ) 5. Do you always walk to school? A. No,...
【简答题】阅读短文,选择正确的答案。 People in different countries do things differently. For example, Australians put their shirt “tails' on the clothes--line after washing, because they usually put the shirt 'tails' into ...
【简答题】Listen and choose. (听录音,选择正确的答案) 1. Do they go shopping? A. Yes, they do. B. No, they don't . 2. Is the green skirt nice? A. Yes, it is. B. No, it isn't. 3. What time is it now? A. It's in the morning...
【单选题】在 pH 2~6条件下易发生差向异构化
A.
氯霉素
B.
头孢噻肟钠
C.
阿莫西林
D.
四环素
E.
克拉维酸
【简答题】阅读短文,选择正确的答案。 How do you remember the way to your house?Where do dreams come from? It is your brain (大脑) that does these things. A British scientist showed that 'sleep can improve one's memory.' It' s...
【判断题】个子货经过炮制加工,称为饮片。
A.
正确
B.
错误
【单选题】在以下措施中, ( )有利子改善螺栓螺纹牙之间载荷分布不均匀的现象。
A.
加弹簧垫圈
B.
减小螺杆直径
C.
增大螺母高度
D.
采用悬螺母
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