______ students have more spare time for their hobbies now.
A:A number of
B:The number of
C:A member of
D:Members of
礼貌是文明的体现。下列属于表达“感谢”的常用语是( )
已知:ZnO+H2SO4=ZnSO4+H2O CuO+H2SO4=CuSO4+H2O
读四大洲轮廓图,完成下列各题。
魏文候与虞人期猎。明日。会天疾风。左右止文候,不听,曰:“不可以风疾之故而失信吾不为也。”遂自驱车往。
——选自《韩非子·外储说左上》