21.3加上x等于7.2的5倍,则x等于( )。
14.7
10.With the nurse who is very experienced and thoughtful ______ her mother from next Monday, her worry decreases a lot.
A.looking after
B.look after
C.to look after
D.looked after
下图《交接》说明了[ ]
A、我国必须坚持可持续发展战略
B、我国必须坚持保护环境国策
C、我国必须贯彻落实科学发展观
D、我国必须坚持节约资源国策