目前胰岛素的制剂分为________、________、________。
参考答案：正规胰岛素；中效的珠蛋白胰岛素；长效的鱼精蛋白锌胰岛素
According to this passage, Paradise Lost is written for the purpose of ______.
A．praising God for the creation of the world
B．criticizing the cruelness of British ruler
C．changing people's unfavorable impression of Satan
D．expressing his support for the fight of Satan
按阀门公称压力分类，公称压力为6.OMPa阀门属于（）。
A.低压阀
B.中压阀
C.高压阀
D.超高压阀
