如何判断空分塔内硅胶泄漏？

A. to bring peace to Europe
B. to carve up the colonies of the defeated countries and to get war compensation for the victors
C. to settle the colonial problem of the Ottoman Empire
D. to put the Fourteen Points into Practice

A. 每天任何时候均可
B. 每天早晨起床后
C. 每天早饭前
D. 每天早饭后
E. 每晚饭后或临睡前