A:消费水平受未来收入预期影响
B:消费水平主要受当前收入状况影响
C:家庭消费与社会无关
D:收入是消费的前提
A
Ping-pong Club
Do you like to play ping-pong? Do you want to play ping-pong well? Mr. Cai can teach you. You can come here every Saturday afternoon.
Tel: 368-5788
Add: Room 212 in School's PE Building.
Musicians Wanted
Are you a music lover? Can you sing or dance? Can you play the guitar? Can you play the violin? Welcome to our Star Rock Band. Please call Tina at 898-3343 from Monday to Friday (8:30-11:00 am). We will meet every Sunday morning.
如图,直线a、b被直线c所截,现给出下列四个条件:①∠1=∠5,②∠1=∠7,③∠2+∠3=180°,④∠4=∠7,其中能判定a∥b的条件的序号是( )
下列关于人体血糖平衡调节的叙述中,正确的是()