800；1200；300；1600；9000；4000
—My teachers often encourage me ________ more friends but I find it difficult.
—Your teachers’ idea is right. The more friends you make, ________ you will be.
A．to make; the more happy
B．to make; happier
C．making; the happier
D．to make; the happier
仙桂胶囊的定位是（）
A.治疗体位性低血压的中成药
B.国家第一个正式批准的专门治疗原发性低血压的现代专利中药
C.专治老年性低血压的专利药
D.治疗高血压的专利中药
