混凝土抗压强度试件以边长150mm的正立方体为标准试件,其集料最大粒径为40mm。
参考答案:对
国家机关、行政执法部门工作人员每年通过各种形式学习法律知识的时间应不少于多少学时?()
A.三十
B.四十
C.五十
D.六十
Speaker A: It took me ten years to build up my business, and it almost killed me.
Speaker B: Well, you know what they say:().
A. There is no smoke without fire.
B. Practice makes perfect.
C. All roads lead to Rome.
D. No pains, no gains.