分系统调试包括（）。
A.交流场分系统试验
B.直流场分系统试验
C.换流变分系统试验
D.滤波器分系统试验
参考答案：A, B, C, D
The mother asked her son _____. [ ]
A. what did he do the day before
B. where did he find his wallet
C. what time he got up that morning
D. that if he had finished his homework
患儿男性，2岁，因“咳嗽不爽，痰黄量少，不易咯出”来诊。患儿鼻流黄涕，或有发热口渴，咽喉疼痛，舌质红，苔薄黄，脉浮数，指纹浮紫。
该患儿的诊断是（）
A.风寒咳嗽
B.风热咳嗽
C.痰热咳嗽
D.风热感冒
E.风寒感冒
