高下不相慕
参考答案：
无论社会地位尊卑贵贱都能不互相倾慕，安于本位。
— It's hot today. How about going swimming after school?
— ______! Let's ask Eric to go with us. [ ]
A. Good idea
B. Best wishes
C. Good luck
D. That's OK
丙戊酸钠的中毒血浓度为( )。
A．＞20μg/mlB．＞12μg/mlC．50～80μg/mlD．＞200μg/mlE．＞150μg/ml
