一家商店计划出售60件衬衫，要使销售总额不低于5100元，则每件衬衫的售价至少应为（ ）元。
85
Look, read and judge. 根据图片，判断句子对(√)错(×)。
( )1. The schoolbag is on the chair. The bike is under the desk.
( )2. Kim is writing on the blackboard.
( )3. They are playing football.
为什么老年人饮食要合理调整膳食？
