【简答题】Thank you is to express your _________.
【单选题】According to Peter Post, by writing a thank-you card______.
A.
you express that you are obeying rules of etiquette
B.
you show that you are caring for other people
C.
you acknowledge that you have a relationship with others
D.
you display your gratitude for what people have done for you
【单选题】细胞衰老和凋亡对维持个体的正常生长发育及生命活动有重要意义。下列叙述错误的是()
【单选题】细胞衰老和凋亡对维持个体的正常生长发育及生命活动具有重要意义。下列叙述错误的是()。
D.
衰老细胞中的线粒体数量随年龄增大而减少,细胞体积随年龄增大而增大
【多选题】电缆线路的电缆按其结构及作用可分为 _( )__
【判断题】At the beginning of a thank-you letter, you should express appreciation for their help and support.()
【单选题】细胞衰老和凋亡对维持个体的正常生长和发育及生命活动具有重要意义。下列叙述错误的是()
【多选题】电缆线路的电缆按其结构及作用可分为 __( )__
【单选题】我国《民用航空法》规定,下列不属于事件的是( )。
【单选题】It's polite _______ 'thank you' . [ ]