用于口腔内消毒的碘酊浓度为
A．2%B．3%C．1%D．0.5%E．4%
参考答案：C
根据我国〈建筑法〉规定，建设项目应当在领取施工许可证后的()内开工。
A、1个月
B、3个月
C、6个月
D、12个月
Recently I bought a beautiful car, ________ was reasonable.
A. of which price the price of whose C. the price of which D. which price
