水溶性基质制备滴丸时应选用下列哪种冷凝液（）
A.水
B.乙醇
C.液状石蜡与乙醇的混合物
D.煤油与乙醇的混合物
E.液状石蜡
参考答案：E
__________cleaning the yard and making up the beds for the old，we also read newspapers for them and had chats with them.
A．Except for
B．Rather than
C．Apart from
D．Instead of
项目文件保存点只是文件的（）状态，并不是通用格式的（）
