公安机关要协同有关方面，惩治违法犯罪分子，教育改造这些违法犯罪者，使他们认罪服法，弃旧图新，重新做人。 ( )
参考答案：对
— The iPhone 4s has been on the market for some time. Have you got one?
— Yes, I________one during my visit to Hong Kong. [ ]
A. have bought
B. bought
C. had bought
D. would buy
涂饰施工温度过高，会带来质量问题，一般应控制在（）度以下。
A.30
B.35
C.40
D.45
