已知某岩石单轴抗压强度60MPa,其极限莫尔应力圆上σ1为()MPa。
A、60
B、30
C、15
D、0
参考答案:A
某儿童福利院院长与外地一家著名公司的总经理是高中同学。“六一”儿童节前夕,他上门拜访这位经理,介绍福利院儿童的成长情况,希望他能捐款帮助福利院开展节日活动。这种筹资方式属于()
A.私人恳请
B.电话劝募
C.特别事件筹款
D.项目申请
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.