A:地球自转造成两地地方时的差异
B:上海小朋友比乌鲁木齐小朋友勤奋
C:地球公转造成两地季节差异
D:两地气候不同
天气炎热时多喝水有益于身体健康,如图甲是某同学买瓶矿泉水时的情景.
① How much is it? ____ A. OK. Here you are.
② Can I try them on? ____ B. It's $89.
③ Is it too expensive? ____ C. It's very pretty.
④ How do you like this skirt? ____ D. Yes,it is.