由若干单粒胶结成复粒，具有明显的棱角，直径0.5—5毫米，称为（_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题

由若干单粒胶结成复粒，具有明显的棱角，直径0.5—5毫米，称为（）结构

A．单粒

B．粒状

C．团粒

D．块状

答案

参考答案：B

补全对话，情景问答

情景搭配。

( ) 1. How are you?
( ) 2. What's your name?
( ) 3. Where is my nose?
( ) 4. Nice to meet you.
( ) 5. Let's play.
( ) 6. Good afternoon.
( ) 7. Happy Teachers' Day!
( ) 8. Hello! I'm Wu Yifan

A. Here it is.
B. Hi! I'm Sarah.
C. Nice to meet you, too.
D. My name is Mike.
E. Good afternoon.
F. Thank you.
G. I'm fine, thanks.
H. Great!

判断题

教育的多元化就是指教育思想的多元化。