我国特有的、栖息于淡水中的一种哺乳动物已处于灭绝边缘，它是( )。
A．大鲵(娃娃鱼)
B．麋鹿(四不像)
C．大暨豚(白鳍豚)
D．扬子鳄
参考答案：C
The confidence of the Chinese film makers _______by Avatar, the release of______ has not only set a good example for the Chinese film industry but also embarrassed our directors, who lack professional ethics.
A．has blown; which
B．have blown; that
C．has been blown; which
D．have been blown; that
下列情况发生后不能用胸外心脏挤压方法抢救的是（ ）
A．溺水
B．煤气中毒
C．触电
D．肋骨折断
