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【简答题】
Lin Tao and Chen Hai are good friends. They are in the same class. They are in the same team. Lin Tao sits behind Chen Hai. Now it is four o’clock. School is over. They often go to play games after school. They can’t look after their things very well. So their mothers don’t give them watches. They don’t have watches. They don’t know the time. But they can ask a man under the big tree. His watch is very nice. They can also see the clock on the wall of the classroom. Now it’s about five in the afternoon. It’s time to go home. They must put on their clothes and go home. 小题1:Where do Lin Tao and Chen Hai sit in the classroom? A.They sit in the same row (排). B.Chen Hai sits behind Lin Tao. C.They sit in the same class. D.Lin Tao sits behind Chen Hai. 小题2:What do they do after school? A.They go home. B.They do their homework. C.They look after each other. D.They play games. 小题3:Why don’t they have watches? A.Because they don’t need watches. B.Because they can’t look after their things well. C.Because their watches are in their desks. D.Sorry, I don’t know. 小题4:How can they know the time? A.They can see the teacher’s watch B.They can ask the man under the big tree. C.They can go home and ask their mothers. D.They can see the sun 小题5:What time do they go home in the afternoon? A.At about 10 a. m. B.At about 5 a. m. C.At about 5 p. m. D.At about lo p. m.
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参考答案:
举一反三
【单选题】临床上长期血压增高合并顽固低血钾,诊断应考虑( )
A.
慢性肾小球肾炎
B.
高血压病
C.
嗜铬细胞瘤
D.
原发性醛固酮增多症
E.
皮质醇增多症
【单选题】某船舶设计院正在设计一个新船项目-8000 立方米液货船。他们正在考虑主配电系统,请问根据SOLAS 公约,该船不得采用以下哪一种配电系统?
A.
船体作回路的配电系统
B.
三相三线制
C.
24V 低压系统
D.
SOLAS 没有要求
【单选题】管道纵断面图中中,压力流管道用( )绘制
A.
细实线
B.
单粗实线
C.
双粗点画线
D.
粗虚线
【单选题】按我国现行规定,氩气纯度应达到( )才能满足焊接的要求。
A.
0.985
B.
0.995
C.
0.9995
D.
0.9999
【单选题】信号f(t)=3cos(4t+π/3)的周期是( )。
A.
B.
π
C.
π/2
【判断题】重量差异检查法:适用于片剂的重量差异检查。凡规定检查含量均匀度的片剂, 一般不再进行重量差异的检查。
A.
正确
B.
错误
【单选题】启动机作空载试验时,若电流和转速都小,说明电路存在( )。
A.
短路故障
B.
断路故障
C.
触电阻大
D.
接触电阻小
【简答题】重要性包括______和______等两个层次的重要性。
【多选题】下列对该回路工作原理分析正确的是()。
A.
缸前进时的进油路:泵→2的右位→缸无杆腔 回油路:缸有杆腔→3的顺序阀→阀2右位→油箱
B.
旋紧阀3时,缸不能前进的原因是 阀3进口处P的油液压力没有达到3的调定压力。
C.
当阀3进口P处油液压力达到阀3调定压力时,阀3开启,缸能前进。
D.
旋紧3的情况下,缸无法退回。
E.
1的作用是调系统压力为4MPa。
【简答题】滴定管的初读最好从“0.00”mL开始。
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