人口转折模型_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题名词解释

人口转折模型

答案

参考答案：

所谓“人口转折”模型是指从高出生率和高死亡率的稳定人口转向低出生率和低死亡率的稳定人口。

补全对话，情景问答

选择合适的答语。

( ) 1. How many dresses?
( ) 2. Are these buses?
( ) 3. Do you have three pencils?
( ) 4. What are these?
( ) 5. Can you see the stamps in the picture?

A. They are sheep.
B. Three.
C. No, I can't.
D. Yes, they are.
E. Yes, I do.

单项选择题

患者痢下赤白粘冻，白多赤少，腹痛，里急后重，饮食乏味，胃脘饱闷，头身困重，舌淡苔白腻，脉濡缓。其证候是

A．寒湿痢
B．虚寒痢
C．休息痢
D．噤口痢
E．湿热痢