An inflatable liferaft is hand-launched by（）.

A.pulling a cord

B.cutting the wire restraining bands

C.removing the rubber packing strip

D.throwing the entire container overboard

羚羊角除了具有清肝明目的功效外，还能

A．平肝潜阳，祛风止痛
B．平肝潜阳，软坚散结
C．平肝息风，清热解毒
D．息风止痉，降逆止血
E．息风止痉，通络散结