苯巴比妥的乙醇溶液澄清度检查物质是（）
A．苯丙二酰脲
B．酸性杂质
C．2-苯基丁酰胺
D．对氨基酚
E．苯基丁酰脲
参考答案：B
甲状腺功能减退可引起（）。
A．席汉综合征
B．黏液性水肿
C．库欣综合征
D．艾迪生病
E．浸润性突眼
—Amanda, you look tired today. What’s wrong?
—I worked______ late ______ I didn’t go to bed until midnight yesterday.
A．too; to
B．so; that
C．not only; but also
D．such; that
