题目内容
按照我国城市当前水消费量来计算，如果每吨水增收5分钱的水费，则每年可增如25亿元收入。这显然是解决自来水公司年年亏损问题的好办法。这样做还可以减少消费者对水的需求，养成节约用水的良好习惯，从而保护我国非常短缺的水资源。
以下哪一项最清楚地指出了上述论证中的错误？
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传记，从本质上说，是人的生命活动的记载，是人类生命的一种特殊载体。人的生命活动，不仅表现出生存和发展的渴求，而且表现出自身潜能的开发、释放。这种自身潜能的开发、释放，就是一种力的创造。创造，包括多种形式，有政治家治国平天下的才能展现，有哲学家、思想家在精神领域的探索，有军事家运筹帷幄、驰骋疆场的战斗较量，有科学家的发明创造，有文学家、艺术家的才华展示，有改革家对生存环境的革新改造，等等。这是一幅幅壮丽的生命画卷，是活力向惰性的挑战。人类只有在这样的挑战中才能保持其生命的活力，并为活力的凝聚创造更好的条件。中国古典传记，正是这种生命活力的形象性展现。
这段文字主要说明了：
52
社会生活的变化多样，使得任何一种规则体系都不能够不加变化地____；反过来文明社会的错综复杂，也不能仅靠抽象原则与模糊观念来____。
填人划横线部分最恰当的一项是：
Breakfast
？？ Studies show that childrenwho eat breakfast do better in school. It doesn't take much further thought tobelieve that adults will feel better and perform. better at work as well.Whether you work at home,on the farm, at the office, at school,or on theroad,it is not a good idea to skip(故意略去) break-fast.？？
？？ If we don't eat breakfast. weare likely to become fired when our brains and bodies run low on fu-el. Bymid-morning,a lot of us grab a cup of coffee,or wolf down a sugary candy bar towake up again. This might work for a few minutes,but by lunchtime we arehungry, bad-tempered,and perhaps our mood might make us a little more likely tomake unhealthy choices at lunch. Eating a good breakfast sets the tone for therest of the day.
？？ People who eat breakfast aregenerally more likely to？？ maintain a healthy weight. Many people be- lieve thatthey will lose weight if they skip meals,but that isn't a good idea. The bodyexpects to be re- fueled a few times a day, so start with a healthy breakfast.
？？ A healt？？hy breakfast shouldcontain some protein（蛋白质）and some fiber(纤维). Protein can come from meat,eggs, beans, or soy(大豆)． Fiber can be found in' whole cereals(谷物 ) , grains or in fruits. A good example of a healthy breakfast might be something simplelike a hard boiled egg, an orange, and a bowl of whole grain cereal with soymilk.
Adults who eat breakfast will perform. better at ？？work.？？
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