i1.Bei Jing is in the ( ) part of China .A .north B .northern

问题描述:

i1.Bei Jing is in the ( ) part of China .A .north B .northern

选B
north是名词一般情况下和介词连用,比如Scotland lies in the north of UK.
northern是形容词,用来修饰名词,比如Scotland lies in the northern part of UK