下列诗句与其蕴含的地理知识对应不正确的一项是( )。

A．人间四月芳菲尽，山寺桃花始盛开——自然带的垂直地带性
B．忽如一夜春风来，千树万树梨花开——快行冷锋
C．城市尚余三伏热，秋光先到野人家——城市热岛效应
D．东边日出西边雨，道是无晴却有晴——山坡两侧光照与热量的差异

In a traffic separation scheme, when joining a traffic lane from the side, a vessel shall do so（）.

A.only in case of an emergency or the engage in fishing within the zone

B.as nearly as practical at right angles to the general direction of traffic flow

C.at as small an angle as possible

D.only to anchor within the zone