丈量一段距离,往、返测为126.78米、126.68米,则相对误差为()
A.1/1267
B.1/1200
C.1/1300
D.1/1167
参考答案:A
—What are the boys _____?
—They are _____ the radio.[ ]
A. do; listen to
B. does; listening to
C. will do; listening to
D. doing; listening to
某项目建设期为两年,第一年贷款100万元,第二年贷款200万元,贷款分年度均衡发放,年利率10%,则建设期贷款利息为( )万元。
A.30B.15C.25.5D.25