急性硬膜外血肿最常见的伴随损伤是（）
A.颅骨骨折
B.脑挫伤
C.脑疝
D.脑积水
E.颅底骨折
参考答案：A
Is that the TV room?[ ]
A. No, it isn't.
B. No, it is.
C. No, it's not.
D. No, that isn't.
What will people die of in 100 years? If you think that is a simple question, you ______ attention to the revolution taking place in biotechnology.
A．have not been paying
B．had not been paying
C．were not paying
D．will not be paying
