安全文化建设的主要目的，是运用科学的、理智的观点，将“安全第一”的概念变为人们生活中的习惯。
参考答案：对
一项工程，甲单独完成需要50天，乙单独完成需要30天，现在甲单独干了若干天之后，乙接着干完了这项工程，共用了42天。问：甲完成了这项工程的几分之几（）
A.A
B.B
C.C
D.D
It was generally believed that the show was not as successful as expected, but ________,
I think it was a great success. [ ]
A. personally
B. directly
C. publicly
D. secretly
