The dress is _____ expensive that I can't buy it. [ ]
A. very
B. so
C. too
D. much
答案:B
A.5A
B.5A
C.3.5A
D.3.5A
男性,48岁,近4年诊断为临界性高血压,这类患者的主要临床表现为()。
A.血压波动,有时血压正常
B.常合并冠心病及脑动脉硬化
C.易出现直立性低血压
D.早期发生左心功能不全
E.常呈一过性脑缺氧表现