将一枚硬币重复掷五次,则正、反面都至少出现二次的概率为______.

题型:填空题

问题:

将一枚硬币重复掷五次,则正、反面都至少出现二次的概率为______.

考点:普通考研考研数学(三)考研数学三
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口语交际(共5分, 每空1分)

  在下面对话的空白处填入适当的话语(话语可以是句子、短语或词),使对话完整。(共5分,每小题1分)

  ( Jenny and Nancy meet on the street )

  Jenny: Hello, Nancy.小题1:__________________________

  Nancy: Fine, thanks, Jenny.

  Jenny: I heard you went somewhere for vacation. 小题2:____________________________?

  Nancy: Well, I have been to Hainan Island with my cousins. There are too many exciting things there, especially diving(潜水) in the real sea!

  Jenny: 小题3:. ________________ My parents and I will go there, too. What should we take?

  Nancy: A camera, sunglasses, umbrellas and some cool clothes.

  Jenny: OK, thank you. How can we小题4: ____________________________?

  Nancy: You can get there by plane, because it’s too far away. 小题5:________________

  Jenny: Thank you! I think we sure will.

题型:填空题

建设工程劳务分包合同由()和三个附件组成。

A.劳务合同

B.通用条款

C.专用条款

题型:填空题

产后子宫恢复至非孕期大小约需()

A.3周

B.4周

C.5周

D.6周

E.7周

题型:填空题

发电机转子由()组成。

A、铁芯

B、线组

C、护环

D、端盖

题型:填空题

“招标人无正当理由不与中标人签订合同,给中标人造成损失的,招标人应当给予赔偿”,这种情况下招标人承担的是()责任。

A.侵权

B.违约

C.行政

D.刑事

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