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【简答题】
I think everyone has a dream. My dream is to have a large home. I don’t like living in the city. So the home is in the country, but not far from the city of Nanjing. On the ground floor, there is a training room and a swimming poor. I can play table tennis, basketball and badminton there. And I can also swim there. After training, I can have a shower and a bath with my friends. So there must be a bathroom. On the second floor, there is a computer room and a reading- room. And there is a bedroom. Then I can go to bed there. Now, what’s on the first floor? We will have meals. So there is a kitchen and a dining-room there. And we can watch TV, play cards, listen to the music and so on. Welcome to my home to be the guests. “T” or “F”. 小题1:My dream home is a flat with four floors. 小题2:The home is near the capital of Jiangsu province 小题3:The bedroom is on the first floor. 小题4:We can often have meals on the second floor. 小题5:I’m friendly to my friends.
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举一反三
【单选题】在分光光度法中宜选用的吸光度读数范围为( )。
A.
0~0.2
B.
0.1~∞
C.
1~2
D.
0.2~0.8
【单选题】在分光光度法中,宜选用的吸光度读数范围为
A.
0~0.2
B.
0.1~0.3
C.
0.3~1.0
D.
0.2~0.7
【简答题】一台单相变压器额定电压为 380V/220V ,额定频率为 50HZ ,如果误将低压侧接到 380V 上,则此时 , , , 。(增加,减少或不变)
【单选题】能直接承受建筑荷载的土层称为( )
A.
刚性基础
B.
柔性基础
C.
天然地基
D.
人工地基
【单选题】在分光光度法中宜选用的吸光度读数范围为?
A.
O~0.2
B.
O.1~O.3
C.
O.3~1.O
D.
0.2~O.7
【单选题】能够直接承受建筑荷载的土层称为()。
A.
刚性基础
B.
柔性基础
C.
天然地基
D.
人工地基
【单选题】一台单相变压器额定电压为380V/220V,额定频率为50HZ,如果错误地将低压侧接到380V上,则此时励磁磁通 和励磁电流 均会( )。
A.
为零
B.
不变
C.
减小
D.
增大
【单选题】在分光光度法中,宜选用的吸光度读数范围为
A.
0-100
B.
0-1
C.
0.2-0.8
D.
0-无穷
【简答题】 (1) 一台单相变压器额定电压为380V/220V,额定频率为50HZ,如果误将低压侧接到380V上,则此时 , , , 。(填增大,减小或不变)
【简答题】一台单相变压器额定电压为220V/380V,如果将一次侧接额定电压,二次侧接阻性负载,测得此时二次侧电流为5A,二次侧漏阻抗模为10欧姆,则该变压器空载运行时,二次侧输出电压为 V。
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