反复发作胸闷,气急,咳嗽1年。查体:两肺满布哮鸣音。应首先考虑的是()
A.急性支气管炎
B.慢性支气管炎喘息型
C.心源性哮喘
D.支气管哮喘
E.以上均非
参考答案:D
小题1:We need ________ kinds of things to make an ALL ABOUT ME box.
A.two
B.three
C.four
D.five小题2:What should we do first to make an ALL ABOUT ME box?
A.Color the inside of the box.
B.Turn the box on its side.
C.Put the name inside the box.
D.Make a list of favorite foods.小题3:An ALL ABOUT ME box tells about ________.
A.a toy
B.a book
C.a person
D.a picture
关系中能够唯一标识某个记录的字段称为 【8】 字段。