在投资控制中，设计概算相对于投资估算是“实际值”，相对于( )则是“计划值”。
A．设计总概算B．实施准备决算C．施工图预算D．竣工决算
参考答案：C
I suggested my mother that she _____ a drawing club after her retirement from teaching.[ ]
A. join
B. joins
C. joined
D. would join
汉字国标码规定了一级汉字（）个，二级汉字（）个。
