具有滋肝肾、补阴血、清虚热功效的虚证类非处方中成药是
A．归芍地黄丸
B．补中益气丸
C．八珍丸
D．薯蓣丸
E．二至丸
参考答案：A
The Titanic was a ship just not ______to run into icebergs. When it did,nothing could stop it. [ ]
A. design
B. to design
C. designed
D. designing
运输需求必须具备（）的条件，否则不能构成现实的运输需求。
A.实现位移服务的愿望
B.支付能力
C.一定的价格水平
D.既有实现位移服务的愿望，又有支付能力
