栓皮松软常呈鳞片状,易剥落,具有特异香气,味苦的中药是()。
参考答案:香加皮
The fifth generation computers, with artificial intelligence, _____ and perfected now.
A.developed
B.have developed
C.are being developed
D.will have been developed
异相睡眠的生物学意义是促进生长和体力恢复。()