口服抗甲状腺药治疗甲亢的适应证是
A．病情轻，甲状腺较小者B．年龄超过30岁C．中、重度甲亢D．结节性高功能腺瘤E．胸骨后甲状腺肿
参考答案：A
—I am afraid no one will agree with you.
—I don’t think it ______ .
A．minds
B．troubles
C．matters
D．works
求微分方程y"+y’-2y=xex+sin2x的通解．
