不属于泄漏试验检查重点的选项是()。 A.阀门填料函 B.施焊焊缝处 C.法兰连接处 发布时间:2017-05-04 14:29 │ 来源:www.tikuol.com 题型:单项选择题 问题: 不属于泄漏试验检查重点的选项是()。A.阀门填料函B.施焊焊缝处C.法兰连接处D.螺纹连接处
题型:单项选择题 Mary’s Timetable Monday Tuesday Wednesday Thursday Friday 8:00~8:45English History English PhysicsChinese 8:55~9:40Chinese Art Chinese Chinese English 9:50~10:35Math. English History Math.Music 10:45~1130P.E.Geography History P.E.Geography 11:30~1:30Noon break(午休)1:30~2:15Music P. E.P.E.English Self-studyHistory (历史) Geography(地理) Physics(物理) 阅读表格,选择正确答案小题1:Which lesson does Mary have every day?A.EnglishB.ChineseC.History D.Math小题2: Mary has a rest at noon for_______.A.2 hoursB.1 hourC.1.5 hoursD.2.5 hours小题3: How many music lessons does Mary have in a week?.A.threeB.fourC.twoD.one小题4: The third class begins at _____in the morning.A.9:35B.9:55C.9:50D.9:40小题5:When does Mary have history?A.TuesdayB.FridayC.Tuesday and Wednesday D.Monday 查看答案
题型:单项选择题 由于地球的自转,地球表面上各点均做匀速圆周运动,所以( )A.地球表面各处具有相同大小的线速度B.地球表面各处具有相同大小的角速度C.地球表面各处具有相同大小的向心加速度D.地球表面各处的向心加速度方向都指向地球球心 查看答案
题型:单项选择题 The speaker his voice so that he could make himself heard in the noisy street. [ ]A.raised B.rose C.lifted D.brought 查看答案