In a small village, there is a teacher, a doctor, a driver, and a policeman. The four men are good friends. What are their names？One is Tom, one is Jack, one is Mike and one is John. Mike's, Jack's and Tom's children are classmates. John has no children. He teaches his friends’children at a middle school. Mike works at a police station. He loves his job very much. Jack has a car. He often drives his car to go to work or visit his friends. The doctor's house is next to the driver's, so the children often play together.

根据如图“南极地区略图”，完成问题．

我国四个南极科学考察站中，无极昼极夜现象的是（ ）

在下列各项措施中，不属于生物防治的是（ ）