[单选题]顺流再生式离子交换器失效后再生操作步骤为（）。
A.进再生液→置换→正洗合格→反洗→运行
B.落床→进再生液→置换→正洗合格→运行
C.进再生液→置换→反洗→正洗合格→运行
D.反洗→进再生液→置换→正洗合格→运行
E.导致树脂失去水分而破碎
F.树脂内进入空气，再生时会扰动树脂层而造成乱层
G.树脂内进入空气，进再生液时树脂会漂浮在再生液上面而得不到再生
H.树脂内进入空气形成许多气泡甚至气囊，再生时产生偏流，影响再生效果

{{B}} The Right Amount of Energy{{/B}}
We all enjoy being around people with energy. They inspire us. They are stimulating, fun, and uplifting. An energetic person has passion in his voice, a bounce in his step, and a smile on his face. Energy makes a person likable, and likability is a key ingredient in persuasive communications. Many business professionals underestimate the energy level required to generate enthusiasm among their listeners. But electrifying speakers bring it. They have an energy that is several levels higher than the people they are attempting to influence.
Most business professionals could use an energy boost for public speaking situations such as Webinars, podcasts, staff meetings, conference calls, and television and radio interviews. Each of these opportunities requires a higher level of energy than would normally be appropriate if you were just chatting to someone i
A. There is little room to boost your energy while not appearing too zany.
B. There is a little room to boost your energy while not appearing too zany.,
C. There is much room to boost your energy while not appearing too zany.
D. There is no room to boost your energy while not appearing too zany.