恶性疟的临床特征有
A．常伴头痛烦渴等症状
B．病程有自限倾向
C．大汗突出
D．热型常不规则
E．寒战明显
参考答案：A, B, D
The little boy was ______ with the big boy because he was dirty words to him. [ ]
A. fond, speaking
B. angry, saying
C. angry, talking
D. friendly, telling
全血的含量占体重的（）。
A.60%
B.10%
C.8%
D.15%
E.50%
