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。()
