职业道德的基本要求是()。
A.诚实守信
B.忠于职守
C.奉献社会
D.办事公道
参考答案:B
— There is still a copy of the book in the library. Will you go and borrow _____?
— I'd rather buy _____ in the book store. [ ]
A. it; one
B. one; one
C. one; it
D. it; it
悬挑式卸料平台由()组成。
A.钢平台
B.悬吊机构
C.防护装置
D.钢丝绳
E.型钢梁