从银行买卖外汇的角度来划分，汇率分为( )。
A．现钞汇率
B．买入汇率
C．卖出汇率
D．贸易汇率
E．中间汇率
参考答案：A,B,C,D
A recent survey of the opinions of experts _____ that three hours of outdoor exercise a week _____
good for one's health. [ ]
A. show; is
B. shows; are
C. has shown; is
D. have shown; are
职业活动中要想树立艰苦奋斗的品质，下列做法不正确的是（）
A、正确理解艰苦奋斗的内涵
B、树立不怕困难的精神
C、永远保持艰苦奋斗的作风
D、过苦日子
