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【单选题】
阅读下列程序代码,按要求选答案。Dim a(0 To 2) As Integer For k = 0 To 2 a(k) = k If k < 2 Then a(k) = a(k) + 3 Print a(k);Next k则该程序运行后,输出的结果是( )。 A.4 5 6 B.3 4 2 C.3 2 1 D.3 4 5
A.
A
B.
B
C.
C
D.
D
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【单选题】用容量瓶配制一定物质的量浓度的溶液,该容量瓶必须是 [     ]
A.
干燥的
B.
瓶塞不漏水的
C.
用欲配制的溶液润洗过的
D.
以上三项均须要求的
【单选题】The outcry over aproposed element shows that______.
A.
the public fully supported the Japanese architect for his design of a new exit
B.
people are very sensitive to the project
C.
people had profound respect for Giorgio Vasari
D.
many people wished to keep the original artistic value of Uffizi
【单选题】Which of the statements best summarizes the main idea of the passage?
A.
The death of Japanese fisherman caused tension between Japan and Russia.
B.
The dispute over the chain islands initiated the incident.
C.
Japanese foreign minister summoned Russian's deputy ambassador to handle the dispute.
D.
The Russian patrol captured the Japanese vessel and took three fishermen into custody.
【简答题】现欲配制0.5mol/L碳酸钠溶液100mL,然后向配制好的溶液中加入足量的稀盐酸.试计算: (1)配制溶液需要碳酸钠固体的质量是多少?______ (2)加入稀盐酸后生成的二氧化碳在标准状况下的体积是多少?______.
【多选题】容量瓶配制一定摩尔浓度的溶液,容量瓶必须是()。
A.
干燥的
B.
室温的
C.
瓶塞不漏水
D.
用欲配制的溶液润洗过的
【单选题】Which of the following is FALSE?
A.
Leeson failed when staking the company's money on Japanese derivatives.
B.
Leeson was extradited to Singapore.
C.
Leeson was arrested on his way back to London.
D.
Leeson accepted the six-and-half year sentence.
【单选题】用容量瓶配制一定物质的量浓度的溶液,该容量瓶必须是(  )
A.
干燥的
B.
不漏水的
C.
用欲配制的溶液润洗过的
D.
以上三项均需要求
【单选题】用容量瓶配制一定摩尔浓度的溶液,容量瓶必须是( )。
A.
干燥的
B.
室温的
C.
用欲配制的溶液润洗过的
【判断题】在定轴转动中,如果合外力矩的方向与角速度的方向一致,则合力矩增大时,物体角加速度不一定增大。
A.
正确
B.
错误
【单选题】用容量瓶配制一定物质的量浓度的溶液,该容量瓶必须是()
A.
干燥的
B.
瓶塞不漏水
C.
用欲配制的溶液润洗过的
D.
以上三项均不符合要求
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