作为现场施工人员，为保证质量安全，需要掌握哪些与材料有关的技术技能？体现了什么核心价值观？

A. Create a new government.
B. Make its citizens happier.
C. Make the world people happy.
D. Create a new office in the government.

A. The government doesn't do anything to make people happy.
B. The government doesn't care whether people are happy or not.
C. The government hasn't created an office to study people's happiness.
D. The government hasn't solved many problems that make people unhappy.

A. 在思想上清算了"左"的和右的错误
B. 在全党确立了实事求是的思想路线
C. 确立毛泽东思想为全党的指导思想
D. 为新民主主义革命在全国的胜利奠定了思想基础

A. 对
B. 错