做危险实验时必须戴防护眼镜,加氢反应、高压反应必须在特种实验室进行
正确
暂无解析
“回以自解、诙谐调侃、推诿搪塞”属于()。
论述新闻事业的多种功能
ThequestionofgoingtotheUnitedStatesforadoctor_____hismind
Weregret______toacceptyourtermsofpaymentandthereforehavetoreturntheordertoyou.
Thelongprisongallerieswerefulloflifeand________gravebustle.