3.(2007年江西卷)设函数是上以5为周期的可导偶函数,则曲线在处的切线的斜率为( )
A. B. C. D.
2.(2007年浙江卷)设是函数的导函数,将和的图象画在同一个直角坐标系中,不可能正确的是( )
1.设函数可导,则( )
A. B. C. D.不能确定
A woman in her sixties lived alone in her little cottage with a pear tree at her door.She spent all her time taking care of the tree.But the children nearby drove her 1 by making fun of her.They would climb her tree and then run away with pears,? 2 “Aunty Misery” at her.
One evening,a passer?by asked to 3 for the night.Seeing that he had an 4 face,she let him in and gave him a nice 5 .The next morning the stranger,actually a sorcerer(巫师),thanked her by granting(允准)her 6 that anyone who climbed up her tree 7 not be able to come back down until she 8 it.
When the children came back to steal her 9 ,she had them stuck on the tree.They had to beg her long 10 she gave the tree permission to let 11 go.Aunty Misery was free from the 12 at last.
One day another man 13 her door.This one did not look trustworthy to her,? 14 she asked who he was.“I am Death.I?ve come to take you 15 me,”said he.The woman thought fast and then said to the man,“Could you do me a favor to pick the golden pear on the tree?”Then man was so happy to “help” her and thus was immediately stuck to the tree.
1.A.hopeless B.painful
C.dull D.crazy
2.A.calling B.shouting
C.announcing D.whispering
3.A.stay B.live
C.hide D.lie
4.A.interesting B.honest
C.anxious D.angry
5.A.gift B.kiss
C.treat D.smile
6.A.suggestion B.demand
C.permission D.wish
7.A.could B.should
C.might D.must
8.A.permitted B.promised
C.answered D.declared
9.A.branch B.food
C.tree D.fruit
10.A.after B.while
C.since D.before
11.A.it B.them
C.him D.her
12.A.trick B.question
C.trouble D.difficulty
13.A.stepped into B.left for
C.stopped at D.walked around
14.A.so B.but
C.although D.because
15.A.with B.off
C.upon D.for
5.Mike went swimming with his classmates,only _______________ (drown).
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