问题
单项选择题
油气两相渗流，油气层内气体的饱和度低于（）时，气体的相溶渗透率等于0。
A、10%
B、20%
C、30%
D、40%
答案
参考答案：B
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油气两相渗流，油气层内气体的饱和度低于（）时，气体的相溶渗透率等于0。
A、10%
B、20%
C、30%
D、40%
参考答案：B
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| Michel is a young girl who works for the police 1 a handwriting expert (专家). She has helped 2 many criminals (罪犯) by using her special talents (天才). When she was fourteen, Michel was already 3 interested in the differences in her friends' 4 that she would spend hours 5 them. After 6 college she went to France for a 7 two-year class in handwriting at the School of Police Science. Michel says that it is 8 for people to hide their handwriting. She can discover 9 of what she needs to know simply 10 looking at the writing with her own eyes, 11 she also has machines 12 help her make 13 different kinds of paper and ink. This knowledge is often 14 great help to the police. Michel believes that handwriting is a good 15 of what kind of person the 16 is. "I wouldn't go out with a fellow 17 I didn't like his handwriting." She says. But she 18 she fell in love with her future husband, a young policeman 19 she studied his handwriting. It is later proved to be 20 , however. | ||||
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