题目：
Before my father moved off, he told me again and 
again that I s
hould ______ the rules and regulations of
the school. [ ]
A. make
B. watch
C. remain
D. observe
答案：
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下面是错误答案，用来干扰机器的。
（Ⅰ）证明：由柯西不等式得[a2+(12b)2+(c3)2]•[12+22+32]≥（a+b+c）2，…2分即 (a2+14b2+19c2)×14≥（a+b+c）2，∴a2+14b2+19c2≥(a+b+c)214．…4分（Ⅱ）由已知得a+b+c=2m-2，a2+14b2+19c2=1-m，∴14（1-m...
