哪类患者麻醉前禁用吗啡或哌替啶（）
A.急性左心衰
B.高血压病
C.急性脑疝形成
D.肾功能不全
E.甲状腺功能亢进
参考答案：C
—When were you born, Lily?
—I was born _______ July 18, 1990. [ ]
A. in
B. on
C. at
D. to
油菜“花而不实”苹果“缩果病”是典型的缺（）症状。
A.硼
B.锌
C.钼
D.锰
