再生障碍性贫血一般不伴有肝脾肿大。
参考答案：对
The girl was heard _____ the song every morning. [ ]
A. sing
B. sang
C. to sing
D. singing
按照仪器性能设计要求，自动气象站雨量传感器测量的最大降雨强度是多少？
