项内压监测常见的并发症是()
A．颅内感染
B．导管折叠、破损
C．颅内出血
D．导管脱出
E．脑疝
参考答案：A, B, C, D
He some French while he was away on a business trip in Paris.
A．made out
B．picked up
C．gave up
D．took on
用毛皮摩擦过的橡胶棒带______电荷，自然界只有______种电荷．
