资产评估程序的第一个环节是（）.
A.编制资产评估计划
B.明确资产评估业务基本事项
C.签订资产评估业务约定书
D.资产勘察
参考答案：B
某患者突然起病，畏冷、发热，体温常在38℃以上，同时出现腹痛、腹泻，每日排便十余次。食欲不振，心、呕吐，可能是()
A．急性菌痢普通型
B．慢性菌痢
C．慢性菌痢急性发作型
D．急性菌痢中毒型
E．慢性菌痢迁延型
There are two thousand students in this college, ______ are from the countryside.
A．one-third of them
B．one-third of which
C．one-third of whom
D．one-third in which
