某小组有三名女生,两名男生,现从这个小组中任意选出一名组长,其中女生当选为组长的

题型:填空题

问题:

某小组有三名女生,两名男生,现从这个小组中任意选出一名组长,其中女生当选为组长的概率是___________。

考点:随机事件及其概率
题型:填空题

小题1:Li Lei often practises ____ (read) English. So his English is better than any other students in our class.

小题2:It was raining hard, so it ____ (take) them three hours to get to the picnic.

小题3:--What we you going to be when you grow up?

--I want to be a ____ (write).

小题4:Look! There ____ (be) a pen and two books on the desk.

小题5:The people in the north of China usually eat some ____ (dumpling) on New Year’s Eve.

题型:填空题

成人 * * 梗阻的最常见原因是()

A.结石

B.结核

C.肿瘤

D.狭窄

E.先天性后 * * 瓣膜

题型:填空题

—Look at the cloud! It looks like a rabit.

--- Wow. _____ beautiful !

A.What

B.What a

C.How

D.How a

题型:填空题

在脚手架使用期间,严禁拆除()

A、主节点处的纵横向水平杆

B、非施工层非主节点处的横向水平杆

C、连墙件

D、扫地杆

E、非作业层脚手板

题型:填空题

界上最早的文献信息符号是()

A、文字

B、图画

C、公式

D、编码

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