现有X、Y、Z三种金属,把X、Y分别插入Z的硝酸盐溶液中,X无反应,Y表面上析出Z,判断这三种金属活动性由强到弱的顺序是[ ]
A.YZX
B.YXZ
C.XYZ
D.XZY
答案:A
The pianist began to play and the girl in red began to sing ____the music.
A.with
B.along
C.through
D.to
建设社会主义新农村的总要求是( )。
A.生产发展
B.生活宽裕
C.乡风文明
D.经济增长
E.村容整洁