电梯的安全技术资料应当包括哪些内容？

— _____________ do you leave for Beijing?

— In the morning. [ ]

A. Where

B. What

C. When

A: Li Lei, _____ is my brother. _____ are his books.

B: Nice to meet you, Li Lei.[ ]

A. this, These

B. That, this

C. Those, these

D. Those, that

圆规两脚间的距离为2分米，那么画出的圆的半径为[ ]

A．1分米

B．2分米

C．4分米

当归芍药散的方义是（）

A.调补冲任，固经养血

B.活血化瘀，养血止痛

C.养血疏肝，健脾利湿

D.温阳散寒，和肝止痛

E.健脾补血，清利湿热