阻塞状态根据产生的原因可分为【 】、等待阻塞和其他阻塞。
参考答案：对象锁阻塞
解析：阻塞状态根据产生的原因可分为对象锁阻塞、等待阻塞、其他阻塞。
The fruit _______ for several days. It doesn't look fresh now. We'd better throw it away. [ ]
A. has been kept
B. has bought
C. has been eaten
D. has sold
脾虚下陷证的成因有
A．久泻久痢
B．劳倦太过
C．饮食失调
D．外邪侵袭
