单选题：People in the past preferred standing up to lying down when

题目内容：

People in the past preferred standing up to lying down when sleeping. A．Right
B．Wrong
C．Notmentioned

参考答案：

答案解析：

Theyonly have a limited amount of time to get their points.

Theyonly have a limited amount of time to get their points.A．large B．total C．sma

分类：卫生类题型：单选题

When Paul met Clara again 20years later, he decided A．to share the $ 600 with he

分类：卫生类题型：单选题

Bayerstartedmakingaspirinbecause A．ithelpedpreventheartattacks． B．othercompanies

分类：卫生类题型：单选题

分类：卫生类题型：单选题

生产国际化和资本国际化的基础是（　　）A．国际贸易 B．国际分工 C．国际投资 D．经济全球化

分类：卫生类题型：单选题