【单选题】某一固体,在 25°C 和大气压力下升华,这意味着
【单选题】The rest of the day was entirely at his ______ for reading or recreation.
【单选题】Lose one hour in the morning ______ you will be looking for it the rest of the day. [ ]
【单选题】某一固体,在25°C和大气压力下升华,这意味着: ( )
【单选题】The rest of the day was entirely at his_______ for reading or recreation.
【简答题】以下为阅读理解部分Section B,请在“第一空”后面横线位置输入ABCD,不区分大小写。 第17题答案是