骶骨肿瘤的临床表现（）
A.慢性腰腿痛
B.排尿困难
C.便秘
D.剧烈疼痛
E.足踝运动障碍
参考答案：A, B, C, D, E
Taking ___ exercise and eating _____ food can make you keep thin.[ ]
A. more; less
B. more; fewer
C. less; more
D. fewer; less
脑出血急性期应用降压药注意什么？
