由-CH3、-OH、-CHO、-COOH、-C6H5五种基团,不同基团两两构成的化合物中,其水溶液显酸性而且属于有机物的物质有[ ]
A.3种
B.4种
C.5种
D.6种
答案:C
--- Could you tell me ________?
--- It’s twenty minutes by underground.
A.how can I get to your school
B.how long does it take me to get to your school
C.how far it is from your home to your school
D.how much it costs to get to your school
《鲁昂大教堂》是印象派那位画家的作品?()
A.马奈
B.莫奈
C.毕沙罗
D.德加