关系代数表达式R*S÷T-U的运算结果是()。可选择的答案:
A.A
B.B
C.C
D.D
参考答案:A
天津市河东区201 4年高三二模考试)15. It was not until 1965_______liberated.
A.that was the town
B.did the town
C.was the town
D.that the town was
下列车船中免征车船使用税的有()。
A.军队自用的车船
B.拖拉机
C.警用车船
D.非机动驳船
E.捕捞、养殖渔船