该病例诊断是
A. 先天性心脏病
B. 风湿性心脏病
C. 冠心病
D. 扩张型心肌病
E. 老年退行性心脏瓣膜病
根据下列选项,请回答下列各题 A.bridge B.supermarket C.radio [D]map [E]book [F]letter [G]bus People use it to find their way.
该药物的见效时间为
A. 1周
B. 1~2周
C. 2~4周
D. 5周
E. 6周
—Who call reach the book on the top shelf? 一Jack can.He is __________boy of US all.
A. taller
B. a tall
C. the tallest