问题
选择题
25℃向一定量不饱和KNO3溶液中逐渐加入KNO3固体，则下列图像中能正确表示此过程溶质质量变化规律的是 [ ]
A．
B．
C．
D．
答案
答案：C
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25℃向一定量不饱和KNO3溶液中逐渐加入KNO3固体，则下列图像中能正确表示此过程溶质质量变化规律的是 [ ]
A．
B．
C．
D．
答案：C
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| The town of Pressure and the town of Pleasure were neighbors but had 1 in common. Residents built walls to 2 influence from 3 town. In Pressure, everyone struggled to be the very best. When women 4 birth, they would compete to have the baby with the 5 cry. There were violent competitions in every aspect of life. Because 6 was the index (指数) of success, people were always 7 making money, with no time for relaxation. 8 , over in Pleasure, the motto was "As long as you like it, do it." People 9 without pressure and could do 10 they liked. Children played computer games day and night. At school, teachers didn't care 11 the students showed up or not. Workers might sit around the office 12 sipping coffee and doing nothing. 13 the lack of regulations, nobody worried about losing their jobs. No one had slightest thought of moving 14 , either for themselves or for the town. The computer they used were 15 models from Pressure. Some of the young were addicted to 16 because of the emptiness of their lives. Then, people in the two towns began asking themselves, "What is life 17 ?" But, just before life in the two towns completely failed, there came a saint-Mr. Reason. He went from door to door, 18 with people and giving advice. People in Pressure learnt to be content with what they had, while people in Pleasure began to make plans. They 19 walls between them and built a road to connect the two. The town people 20 to realize the truth-There is no space between Pressure and Pleasure if people don't go to extremes. | ||||
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