甲状腺功能亢进最严重的并发症（）
A.甲状腺危象
B.心房颤动
C.恶性突眼
D.肝功能损害
E.充血性心力衰竭
参考答案：A
Any packet _____ properly will not be accepted by the post office. [ ]
A. not to address
B. not being addressed
C. not addressed
D. not having addressed
“开元盛世”局面的表现有哪些？
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