早期强度高的水泥,一般要求熟料中()矿物的含量较高。
A、C3A
B、C2S
C、C3S
D、C4AF
参考答案:A
三方协商机制的目的就是在()的基础上达成共识。
A.主体独立
B.权利平等
C.民主协商
D.充分合作
He is a worthy leader, who never_________ his power which is given by people.
A.uses
B.abuses
C.ignores
D.forces