单项选择题

In Vivo Thyroid Function Test，we use 2 µCi 131I.( )
A. 对

B. 错

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单项选择题

发声母d t g k时声带不用振动。（）
A. 对

B. 错

不定项选择

Project 985 is a project that was first announced at the 100th anniversary of Peking University on May 4, 1985.

A．正确
B．错误