按灌浆方法不同，灌浆分为（）。
A.无压充填灌浆
B.压力灌浆
C.劈裂灌浆
D.灌水泥浆
E.灌化学浆
参考答案：A, B, C
It's difficult to live in a foreign country,________ if you can't speak foreign languages．[ ]
A．mainly
B．really
C．luckily
D．especially
试述高血钙危象的处理原则。
