《对外贸易法》规定，在国际服务贸易方面，我国根据缔结的或者参加的国际条约、协定中作出

在保护生物多样性的措施中，就地保护是对迁地保护的补充（   ）

— What did Tina say just now?

— She asked ____ this summer holiday.

A．whether could you teach her dance

B．that whether you could teach her dance

C．if could you teach her dance

D．if you could teach her dance

围绝经期妇女，闭经4个月后 * * 大流血已4天，首选的止血方法是( )

A．分段诊刮
B．孕激素治疗
C．雌激素治疗
D．消炎止血治疗
E．雄激素治疗

五辊机技术参数有哪些？