季风区大致包括我国四大地理区域里的[ ]
A.南方地区和北方地区
B.西北地区和青藏地区
C.北方地区和西北地区
D.南方地区和青藏地区
答案:A
小题1:Alice is my and I’m her father.
小题2:The post office is the supermarket and the bank.
小题3:Reading is a good hobby and I think we may learn from it.
小题4:My bike isn’t here. Could you yours to me?
小题5:All the students in Class 3 listen to the teacher .
流行病学研究的用途是()。
A.探索病因及影响因素
B.评价预防策略和措施的效果
C.疾病监测
D.研究疾病的自然史
E.以上都对