电解质分析仪液路系统通路包括（）
A.定标液/冲洗液通路
B.标本通路
C.废液通路和回水通路
D.电磁阀通路
E.电源电路
参考答案：A, B, C, D
— We thought he would have got the job.
— What a pity! He ______too nervous when interviewed.
A．was
B．had been
C．has been
D．would have been
甲状腺素中起主要作用的成分是
A．T1
B．T2
C．T3
D．T4
E．碘
