【简答题】词汇unit13写出中文19. flag
【单选题】因为她觉得自己不漂亮,在社交场合不知道该说什么好。
A.
She doesn’t know what to say public places as she thinks she is not attractive and beautiful.
B.
Because she thinks she is not attractive and doesn’t know what to say in social situations.
C.
Because she thinks she is attractive and always knows what to say in social situations.
D.
A dancer should put her whole heart on every performance to get audiences’ approval.
【多选题】朗伯 - 比尔定律的适用条件是?
D.
辐射与物质之间的作用仅限于光吸收 , 无荧光和光化学现象发生 。
【单选题】以下不属于朗伯 - 比尔定律适用条件的是( )
【单选题】下列朗伯-比尔定律的适用条件错误的是( )
【判断题】内存速度用进行两次读或写操作所花费的“访问时间”来描述。
【单选题】关于朗伯 - 比尔定律的适用条件下列说法正确的是( )