问题
选择题
多项式-1+0.04a2分解因式的结果是（ ）
A．（-1+0.2a）2
B．（1+0.2a）（1-0.2a）
C．（0.2a+1）（0.2a-1）
D．（0.04a+1）（0.04a-1）
答案
-1+0.04a2=（0.2a+1）（0.2a-1）．
故选C．
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多项式-1+0.04a2分解因式的结果是（ ）
A．（-1+0.2a）2
B．（1+0.2a）（1-0.2a）
C．（0.2a+1）（0.2a-1）
D．（0.04a+1）（0.04a-1）
-1+0.04a2=（0.2a+1）（0.2a-1）．
故选C．
 A group of adults, highly succeeded in their jobs, went to visit their old professor. Soon they began to __31__ the stress in work and life. The professor went to the kitchen and returned __32__ a pot of coffee and all kinds of cups — crystal (水晶的), glass, plastic; some nice looking, some plain looking; some __33__, some cheap. And he told them to help __34__ to the coffee. When all the students had a cup of coffee in hand, the professor said, “I’ve noticed that all the nice looking expensive cups were __35__, leaving behind the plain and cheap ones. While it is __36__ for you to take only the best for yourselves, that is the root of your __37__ and stress. You know that the cup itself adds no quality to the coffee, __38__ you really wanted was coffee, not the cup, __39__ you consciously went for the best cups. Now consider this: Life is the coffee. The jobs, money and __40__ in society are the cups. They are just __41__ to hold life, and the type of cup does not change the quality of our life. Sometimes, by __42__ only on the cup, we fail to enjoy the coffee that God has __43__ us. God offers us the coffee, not the cups. Please enjoy your coffee!”The happiest people don’t have the best of everything. They just make __44__ of everything. Live simply. Love generously. Care deeply. Speak __45__. And leave the rest to God.
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