岩浆熔离作用：
参考答案：
指成分均匀的岩浆熔融体随着温度和压力的降低，分离成两种成分不同的熔融体。
Paper produced every year is the world’s production of vehicles.
A．the three times
B．three times the weight of
C．as three times heavy as
D．three times as heavier as
初始化前科目余额的准备工作是指______。
A．准备年初余额
B．准备启用月份前一个月的期末余额
C．准备年初余额和启用月份以前的借贷累计发生额
D．准备启用月份期初余额和以前各月期末余额
