矿井主排水泵房至少有()个安全出口。A、5 B、2 C、1 D、3

题型:单项选择题

问题:

矿井主排水泵房至少有()个安全出口。

A、5

B、2

C、1

D、3

考点:煤矿安全生产知识竞赛煤矿地测防治水考试煤矿地测防治水考试题库
题型:单项选择题

It’s Sunday morning.There are many people in the park,some boys are playing basketball.There are some girls under a big tree.They’re singing and dancing.What are those women doing? They are drinking tea.Look at the woman in a blue coat.Who's she? She’s my mother. She is talking to Lin Feng.Lin Feng is her student.He is a good student.He studies hard.He’s good at all the subjects. And he's friendly to all his teachers and his friends.

小题1: The boys are             .

A.singing

B.playing basketball

C.dancing

D.drinking小题2:My mother is             .

A.a teacher

B.an office

C.a doctor

D.a woman小题3: Lin Feng is in               .

A.my home

B.the classroom

C.the zoo

D.the park小题4: Who’s under a big tree?            

A.Some people.

B.Some women.

C.Some girls.

D.Some boys.小题5:What color is my mother's coat? It’s             .

A.blue

B.white

C.red

D.yellow

题型:单项选择题

菲利普斯曲线说明( )之间存在矛盾。

A.经济增长与充分就业

B.经济增长与稳定物价

C.稳定物价与充分就业

D.经济增长与国际收支平衡

题型:单项选择题

文本被做成超链接后,鼠标移到文本,光标会变成什么形状()

A.手形

B.十字形

C.向右的箭头

D.没变化

题型:单项选择题

男性,27岁。急性四肢弛缓性瘫痪伴四肢末端可疑对称性痛觉减退2周。下列各项检查有助于诊断及鉴别诊断,除外()

A.血清钾检查

B.腰穿查脑脊液蛋白、细胞

C.肌电图检查

D.血清肌酶检查

E.血清皮质醇及尿17-羟检查

题型:单项选择题

换热器调节系统中,被加热的流体出口温度过高会引起分解,自聚或结集时,加热流体调节阀应选()式.

A.气关

B.气开

C.气开或气关

D.气关正作用

更多题库