沥青防水卷材耐热性中试验中,垂直悬挂试件在规定的温度烘箱的相同高度,间隔至少()mm。
A.10
B.20
C.30
D.50
参考答案:C
下列各句中加粗的熟语使用正确的一项是[ ]
A.马丁·路德·金的《我有一个梦想》出版后,受到世界各国人民的热烈欢迎,一时洛阳纸贵。
B.科技发展带来的便利是不容分说的,千里之外的问候,只要一个短信瞬间就能完成。
C.假以时日,我们可以巧立名目,开发大批新颖别致的旅游项目,为景区再添光彩。
D.学习了他的先进事迹后,我们每一名青年都应该追本溯源,看看自己做得如何。
An employee is paid 1.5 times the regular hourly rate for each hour worked in excess of 40 hours per week, excluding Sunday, and 2 times the regular hourly rate for each hour worked on Sunday. How much was the employee paid last week ?() (1)The employee’s regular hourly rate is $10. (2)Last week the employee worked a total of 54 hours but did not work more than 8 hours on any day.
A.条件(1)充分,但条件(2)不充分.
B.条件(2)充分,但条件(1)不充分.
C.条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分.
D.条件(1)充分,条件(2)也充分.
E.条件(1)和条件(2)单独都不充分,条件(1)和条件(2)联合起来也不充分.