问题
单项选择题
天然气长输管线的压力可分为（）级。
A.2
B.3
C.4
D.5
答案
参考答案：B
解析：本题的考点是天然气长输管线的压力等级。天然气长输管线的压力也可分为3级，一级：P≤1.6（MPa），二级：1.6
搜题请搜索小程序“爱下问搜题”
天然气长输管线的压力可分为（）级。
A.2
B.3
C.4
D.5
参考答案：B
解析：本题的考点是天然气长输管线的压力等级。天然气长输管线的压力也可分为3级，一级：P≤1.6（MPa），二级：1.6
Miss Wang is twenty-three years 41 . She likes children and her 42 work. From Monday to Friday she stays at 43 and gives the children classes. She has much work 44 , but she often plays sports 45 her students after school. The children like 46 very much. 47 Saturday she drives her car to her father’s house and 48 with her father and mother. Sometimes she goes to see her friends on Sunday. She drives back 49 school on Monday morning. She 50 singing and swimming. She’s a nice girl.
|