欧洲人能穿上丝制衣服最早应该在[ ]
A.秦朝
B.汉朝
C.唐朝
D.明朝
答案:B
-Don’t worry. I'll talk _ him __ it.
-Thanks for your help. [ ]
A. to; with
B. with; to
C. to ; about'
D. about ; to
碎煤机打击板磨损厚度不超过()
A、1/2
B、1/3
C、1/4
D、3/4