我国北方地区冬季气温低的原因是( )
①海拔高 ②纬度高,正午太阳高度低 ③纬度高,白昼短 ④距冬季风的源地近
A:①②③
B:②③④
C:①③④
D:①②④
– ________ of us think the English examination was difficult.
– But I still don't think ________ could pass it.
12月22日,40°N的昼长约为9小时。当日正午时分,王先生从④城乘飞机起飞,历时3.5小时到达②城。下列关于王先生到达②城机场时所见到的情形,符合实际情况的是
Hangzhou is __________ to hundreds of foreign friends who are working and studying here.