在光线的传播模式中,光纤V值越大,则光纤所能拥有的,即允许传输的模式(不同的离散波)数越少。
参考答案:错
避免称床号的作法是为了满足病人下列需要之一()
A.被认识与接纳的需要
B.信息的需要
C.安全感与早日康复的需要
D.关心、体贴的需要
E.尊重的需要
句型转换
小题1: This table is not the same as that one. (同义句转换)
This table is __________ __________ that one.
小题2:Amy is fifteen years old. Millie is fifteen years old. (合并成一句)
Amy is _______ ________ ________ Millie.
小题3:She hopes to move to Canada,too.(同义句转换)
She hopes to move to Canada .
小题4:He is sleeping in class.(对画线部分提问)
________ ________ he________ in class?