《驳复仇论》是哪位政治家的著作()
A.白居易
B.韩愈
C.柳宗元
D.范仲淹
参考答案:C
下列微粒中,与氩原子具有相同电子层结构的是( )
A.Na+
B.
C.
D.Ne
— What time did you finish your homework yesterday?
— _____ seven o'clock _____ the afternoon. [ ]
A. On; in
B. At; on
C. At; in
D. On; at