【简答题】A.He stayed in bed. B.He tried to get outside. C.He cried for help. D.He hided in the kitchen.
【单选题】____ ill, he stayed in bed all day.
【单选题】如果测定50克某食物中的含氮量为1.9,则该食物中含蛋白质为( )。
【单选题】如果测定50克某食物中的含氮量为1.9,则该食物中含蛋白质为
【单选题】He stayed in bed until lunchtime. He went bed late last night.
【简答题】如果测定50克某食物中的含氮量为1.9,则该食物中含蛋白质为( )。
【单选题】如果测定50克某食物中的含氮量为1.9,则该食物中含蛋白质为( )。
【单选题】He stayed in bed until lunchtime. He went ______ bed late last night.