某商品的进价为每件40元,售价为每件50元,每个月可卖出210件.如果每件商品的售价每上涨1元,则每个月少卖10件.当每件商品的售价定为多少元时,每个月的利润恰为2200元?
— You are standing too near to the TV. Can you move a bit _______?
— OK, Mom. Is it all right here?
Swimming club
Do you like to swim? Do you want to swim well? Then we have good teachers to teach you. Opening time:2: 00 p.m ~ 9: 30 p.m
Ticket price: 15 yuan for children, 20 yuan for adults(成人)
Please call Mr. Wang at 877-778
Children dancing club
We are a dancing club for children of 5~14. we have lessons from 9:00 to 10: 30 every Saturday and Sunday.
If you like dancing, just join us.
Call Miss Wu at 263-566
有关人口增长的叙述,正确的是①越慢越好 ②与资源、环境相协调 ③越快越好 ④与社会经济发展相适应