【单选题】Considering his health, I advise him to _____an hour or two each day to work out.
【简答题】汽车空调根据驱动方式不同可分为 ( )空调和 ( ) 空调。
【多选题】2018年业务招待费应调整应纳税所得额计算错误的是( )万元。
【单选题】Considering his health, I advise him to an hour or two each day to work out.
【单选题】Considering his health, I advise him to ______ an hour or two each day to work out.
【单选题】轴向拉伸或压缩时,直杆横截面上的应力表示为( )
【单选题】I try to ______ at least one hour each day for learning English.