城市规划管理是一项（）很强的行政管理工作。
A.规范性
B.技术性
C.科学性
D.强制性
参考答案：B
哪些合同是可变更或者可撤销的合同？
The objectives of the ______ Approach are to help students to get a practical command of the four basic skills and to obtain accuracy in pronunciation and grammar.
