松毛虫治理过程中,原则上把常发区划为()区,偶发区划为()区,安全 区划为生态保护区。
参考答案:重点治理;一般治理
阅读理解。判断正误,正确的写“T”,错误的写“F”。
This is our classroom. It's a nice and big room. There are three windows in the wall (墙). The walls are
white. There is a map of China on the back (后) wall. There are forty-four desks and chairs in the room. They
are for the students. In front of the blackboard there is a big desk, too. It's for the teachers. We all like our
English teacher. She's a good teacher.
( ) 1. Our classroom is nice and big.
( ) 2. There are only two windows in the wall.
( ) 3. There is a map of China on the front (前面) wall.
( ) 4. The big desk is for the teachers.
( ) 5. Our English teacher is a young girl.
以下部件中,属于电喷发动机执行器的是
A.空气流量计
B.喷油器
C.节气门位置传感器
D.曲轴位置传感器