44．Children would play with fire until their hands were burnt away if
A．they were given no warning beforehand
B．they didn’t have any sense of pain at all
C．they had never burnt themselves
D．they felt afraid of the fire
45．A really fearless soldier.
A．is of a little use to his army B．is not afraid of battles at all
C．is nothing but a dead soldier D．is easy to get killed in a battle
46．People sometimes succeed in timely avoiding danger because.
A．they are warned of the danger and take quick action
B．they are quick both in mind and in action
C．they are calm in face of danger
D．they have gained much experience