耳聋逐渐加重且有腰酸眩晕者，属

A．伤寒耳聋

B．温病耳聋

C．肾虚耳聋

D．痰浊耳聋

E．血瘀耳聋

According to the T-Boat regulations the reason for providing adequate ventilation for a battery storage area is to prevent（）.

A.accumulation of carbon dioxide gas that chokes the battery

B.accumulation of explosive and toxic gases the battery can generate

C.mildew or dry rot in the battery box

D.battery failure including battery case meltdown caused by excessive heat