学开网

国开网100万+专项题库

使用积分解锁答案,让你的形成性考核不再困难。

访
未登录
当前积分 -
单选题
__4__
  • T
  • F
单选题
__5__
  • T
  • F
单选题

同时掷3枚均匀硬币,恰好有2枚正面向上的概率为( ).

  • 0.5

  • 0.25

  • 0.125

  • 0.375

判断题

是来自正态总体的容量为2的样本,其中为未知参数,则的无偏估计.(

单选题

— Sorry. I have taken your car key by mistake.

  • That's right.

  • You're welcome.

  • It doesn't matter.

单选题

This medicine __________ before dinner.

  • should have taken

  • should have been took

  • should be taken

单选题

— Oh, dear! I've just broken a window.

.

  • Great.

  • Don't worrry.

  • That's fine.

单选题

— We'll have a charity book sale together with Menglin Publishing House next month.

— Yes. I think the Music Square is large enough.

  • Could you give any suggestion on the location?

  • Which place is suitable?

  • Can you tell me the possible location?

单选题

She hasn't the funds to her design.

  • carry out

  • end up

  • make sure

单选题

You can pick a specific time and place and ask them ______ they want to go.

  • that

  • where

  • if

  • which