- 讲师:刘萍萍 / 谢楠
- 课时:160h
- 价格 4580 元
特色双名师解密新课程高频考点,送国家电网教材讲义,助力一次通关
配套通关班送国网在线题库一套
概率的期望问题有3个球,4个盒子,盒子编号为1,2,3,4,将球逐个独立随机地放入4个盒子中.设X为在其中至少有一个球的盒子的最小号码(如X=3表示第一、二号盒子空着),球X的期望.我算的是7/4、但答案是25/16
Which of the following about Seamus Heaneys poetry creation is TRUE?
A.His poems usually appear in poetry collections.
B.His poems mainly center on the darkness of life.
C.He gives poem readings in public sometimes.
D.His poetry creation is improved after his winning of the Nobel Prize.
请帮忙给出正确答案和分析,谢谢!
当有1000元让步空间时,下列让步策略描述正确的是?
A、所有答案都不对
B、可以使用600,400,0,0大跨度的让步策略
C、可以使用500,200,100,50均匀的让步策略
D、可以使用250,250,250,250 平均幅度的让步策略
He will never be bullied into any change of his______.
A.status
B.standpoint
C.sympathy
D.tendency
请帮忙给出正确答案和分析,谢谢!
We believe an offence was committed______EU regulations.
A.with
B.over
C.under
D.on
请帮忙给出正确答案和分析,谢谢!
We feel sorry for being unable to entertain your request for offering a free car. The underlined part means
A.surprise
B.contest
C.meet
D.gain
请帮忙给出正确答案和分析,谢谢!
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