区段站按图形可分为哪三种?
参考答案:横列式、纵列式、客货纵列式。
口腔健康促进不包括
A.行政干预措施
B.经济支持
C.组织保证
D.教育手段
E.口腔卫生指导
–What does your friend look like?
–She is of medium build, and she has _______ hair.
A.sad
B.long
C.busy
D.small