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听力原文:M: Have you made any plans to go away during semester break? I've been thinking of skiing. W: I really haven't had time to think about my vacation, I've been concentrating on getting ready for my exams, especially philosophy. But I'll probably go to the beach. M: Why the beach? W: Well, it would be nice to get away from this cold weather and just lie in the sun and relax after working so hard. M: It's true that skiing does require work. And you have to get up early and wait in long lines for the chair lifts. Thanks. I think you help me make up my mind. W: Sure. Now maybe you can use your mind to think about something else, like your studies. M: Yeah, just as you said, I should focus more on study now, because the exams of various courses are approaching. If I cannot pass those exams smoothly, I will not have a good time in vacation. W: Absolutely! So now we should put the vacation aside temporarily and make good preparation for the exams. Do you want to go to the library with me now? M: Sure! Let's go! With whom is the man speaking?
A.
His academic advisor.
B.
Another student.
C.
A ski instructor.
D.
The college dean.
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【判断题】病毒性肝炎传播途径包括消化道传播和非消化道传播。
A.
正确
B.
错误
【单选题】将13.5 g六次甲基四胺加到4.0 mL 12 mol·L-1HCl中,稀释至100 mL,其pH为( )。(pKb[(CH2)6N4]=8.85,Mr[(CH2)6N4]=140.0)
A.
0.32
B.
2.57
C.
4.43
D.
5.15
【单选题】3-2、将 13.5g六次甲基四胺加到4.0mL 12mol/L HCl中,稀释至100mL,其pH为 ( )
A.
0.32
B.
2.57
C.
4.43
D.
5.15
【简答题】我们之间固然不缺乏象况钟那样的人,善于在笔底下看到“人”并且用行动来帮助用笔。但我们之间,也不缺乏象过于执那样的人,只知大笔一挥,看不到笔底下有“人”;或者把任何工作,往上一推,往下一压,自己仅仅经过手,签个名,只考究自己签名的字,是否“龙飞凤舞”,足够威势,也算是用过笔了。没有对人负责的精神,不可能作出工作负责的事,况钟的笔底下有“人”,就是况钟用笔的可贵精神。 作者是 。
【单选题】反映检测前2-3个月内受试者血糖平均水平,作为糖尿病长期监控的良好指标是:
A.
空腹血糖浓度
B.
GHb
C.
糖耐量试验
D.
血浆C肽水平
E.
血浆胰岛素水平
【单选题】将 13.5g 六次甲基四胺加到4.0mL 12mol/L HCl中,稀释至100mL,其pH为 ( ) 。{pK b [(CH 2 ) 6 N 4 ] = 8.85, M r [(CH 2 ) 6 N 4 ] = 140.0}
A.
0.32
B.
2.57
C.
4.43
D.
5.15
【单选题】星空有两种运动:周日运动和()。
A.
周季运动
B.
周时运动
C.
周月运动
D.
周年运动
【单选题】胜任力模型不仅仅要反映当前组织对员工的胜任力要求,更要反映长远对员工胜任力要求。这属于建模的( )原则。
A.
量身定做原则
B.
持续完善原则
C.
基于需求原则
D.
战略导向原则
【简答题】将含 Pb 、 Bi 、 Cd 的合金试样 2.420 g 溶于 HNO 3 ,并准确稀释到 250 mL ,取 50.00 mL 调到 pH=1 ,以二甲酚橙为指示剂,用 0.02479 mol/L EDTA 溶液滴定,消耗 25.66 mL ,然后用六次甲基四胺缓冲溶液调 pH=5 ,继续用上述浓度的 EDTA 溶液滴定,又消耗 EDTA 24.76 mL ,加入邻二菲氮置换出 EDTA 配合...
【判断题】病毒性肝炎传播途径包括消化道传播和非消化道传播。
A.
正确
B.
错误
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