垂头丧气chuí tóu sànɡ qì
参考答案：
垂头：低着脑袋。丧气：情绪低落。
25. The Curies were ___________ the Nobel Prize for their great contributions to science.
A．awarded
B．rewarded
C．sent
D．Provided
对逾期应收帐款的诊断，其结论报告应该具有科学性和权威性．
