皮皮学,免费搜题
登录
logo - 刷刷题
搜题
【单选题】
在元素周期表中,第一、二、三、四周期元素的数目分别是(  )
A.
2、8、8、18
B.
2、8、18、18
C.
2、18、18、18
D.
2、8、18、32
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案:
举一反三
【单选题】Born in America, I spoke English, not Chinese, the language of my ancestors. When I was three, my parents flashed cards with Chinese 21 at my face, but I pushed them 22 , my mom believed I would learn...
A.
custom
B.
games
C.
characters
D.
1anguage
【简答题】学生在学习过程中形成的对待学习的比较稳定的反映倾向叫做                                     (  ) A、学习目的       B、学习动机        C、 学习态度 D、学习兴趣
【单选题】对于旗杆的描述,以下哪项陈述是错误的?
A.
旗杆的横截面必须是圆形
B.
旗杆的长度必须一致
C.
旗杆可以附有不同颜色的旗布
D.
旗杆不能使用具有减震功能的材料
【单选题】______, he went to Australia to study English.
A.
When a boy of 12
B.
He was 12 years old
C.
When he was the age of 12
D.
When was 12
【简答题】阅读理解。 Elizabeth Blackwell was born in England in 1821, and moved to New York City when she was ten years old. One day she decided that she wanted to become a doctor. That was nearly impossible for a w...
【简答题】阅读理解。 Elizabeth Blackwell was born in England in 1821, and moved to New York City when she was ten years old. One day she decided that she wanted to become a doctor. That was nearly impossible for a w...
【单选题】在自主性学习中,大学生在学习过程中的地位是()。
A.
客体;
B.
主体;
C.
学生依赖教师;
D.
教师代替学生思考
【单选题】---He was almost killed once. ---When was ______? ---______ was in 2012 when he was in the college.
A.
that; It
B.
this; This
C.
this; It
D.
that; This
【单选题】—Could you tell me _________? —Sure. It’s near the bank on the other side of the street.
A.
when was the post office built
B.
when the post office was built
C.
where is the post office
D.
where the post office is
【单选题】在机体的生长发育过程,以下哪项描述是错误的
A.
机体的生长发育是不均等的过程
B.
不同的组织器官依据自身的规律生长发育
C.
机体生长,一般而言,在幼儿时期较旺盛
D.
生长发育在不同的年龄段,表现出快速生长或缓慢生长的情况
E.
机体组织器官生长曲线图是一致的
相关题目:
参考解析:
知识点:
题目纠错 0
发布
创建自己的小题库 - 刷刷题