关于我国疆域的说法，正确的是[ ]
A、最北的省份是内蒙古自治区
B、最东的省份是台湾省
C、最南的省份是海南省
D、最西的省份是西藏自治区
答案：C
The flight will be announced soon. _____, please remain seated. [ ]
A. However
B. Yet
C. Therefore
D. Meanwhile
某日上海市的气温是5℃，长春市的气温是-8℃，哪个城市的温度高？ 5℃○-8℃
