无论是社会倡导还是社会行动，社会工作者都要尊重（）的原则。
A.案主自决
B.案主平等
C.案主第一
D.保密
E.公平
参考答案：A
He stared at the empty bottle for a while, feeling happy that he had sent the butterfly back ________ it belonged-nature. [ ]
A. to which
B. that
C. which
D. to where
布氏杆菌病常见的热型是（）
A.间歇热
B.回归热
C.不规则热
D.弛张热
E.波状热
