题型:选择题 —It's difficult for the village children to cross the river for school. —I think a bridge _______ over the river. [ ]A. should be built B. is being built C. has been built D. was built 查看答案
题型:单项选择题 某企业从设备租赁公司租借一台设备,已知设备的价格为68万元,总租期为5年,每年年末支付租金,折现率为10%,附加率为4%,则每年租金为( )万元。A.21.32B.23.12C.32.12D.31.12 查看答案