已知函数f（x）=ax3+bx2+cx+d是R上的奇函数，且在x=1时取得极小值
题型：解答题
问题：
已知函数f（x）=ax3+bx2+cx+d是R上的奇函数，且在x=1时取得极小值-
（1）求函数f（x）的解析式； （2）对任意x1，x2∈[-1，1]，证明：f（x1）-f（x2）≤
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题型：解答题
阅读理解。
1. How many tons of tomatoes do people grow every year? [ ]
A. More than 60 million tons.
B. 50 million tons.
C. 20 million tons.
D. 15 million tons.
2. _____ are children's favorite Cartoon characters.
[ ]
A. Tomatoes
B. Smurfs
C. Ladies
D. Gentlemen
3. Kate thinks a lady should _____. [ ]
A. be popular
B. be polite and honest
C. have a loving heart
D. wear pretty clothes
4. Mark is giving a speech _____. [ ]
A. in the world
B. in a show
C. in a center
D. in a competition
5. What is the show about?[ ]
A. About tomatoes.
B. About Kate won the competition.
C. About Mark.
D. About how the Smurf story were made.