IgE水平增高的有（）
A.结节病
B.寄生虫感染
C.先天性丙种球蛋白缺乏症
D.风湿性关节炎
E.过敏性鼻炎
参考答案：A, B, E
系统试井曲线
Cherry was afraid she wouldn’t fit in at her new school, ______ she made friends quickly.
A．for
B．so
C．and
D．but
