在（）压力传感器中,常取δ 0 = 0.1 ~ 0.2mm , C 0 在 20 ~ 100pF 之间

But he is阅读理解。 Bob Pearson is an old man. He has two big houses and a new car. He has no wife. But he is the father of four children. He has two sons and two daughters. One son is from England. His name is Bill. The other son is from America. His name is Mike. One of his daughters is from Japan. Her name is Mikou. The other one is from China. Her name is Lanlan. Bob Pearson is not the children’s real （） country. C. Bob Pearson has a wife. D. Lanlan is a Chinese girl.