可以在妊娠期遵医嘱使用的药物是
A．口服降糖药B．放射性碘C．雌激素D．糖皮质激素E．痢特灵
参考答案：D
______, they couldn’t solve the mystery.
A．Tried hard as they
B．Hard as they tried
C．Tried as they hard
D．They tried hard as
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