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【简答题】
已知函数f（x）=-x 2 +8x，g（x）=6lnx+m． （I）求f（x）在区间[t，t+1]上的最大值h（t）； （II）是否存在实数m，使得y=f（x）的图象与y=g（x）的图象有且只有三个不同的交点？若存在，求出m的取值范围；若不存在，说明理由．
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反馈参考答案：
举一反三
【多选题】In which of the following conflicts was there the extension of the draft in the US ? ( )
A.
the American Revolutionary War
B.
the American Civil War
C.
World War I
D.
World War II
E.
the Cold War
【单选题】City leaders oppose plans_____the extension of the South Lawrence Expressway.
A.
next
B.
while
C.
by
D.
for
【简答题】Why should they resist the extension of the mountain economy?(point) ______.
【单选题】The extension of the vaginal lumen around the intravaginal part of the uterine cervix is the:( )
A.
Cervical cannl
B.
Uterine lumen
C.
Fornix
D.
Rectouterine Pouch
E.
Uterovesical Pouch
【单选题】The extension of the vaginal lumen around the intravaginal part of the uterine cervix is the;
A.
Cervical canal
B.
Uterine lumen
C.
Fomix
D.
Rectouterine Pouch
E.
Uterovesical Pouch
【单选题】The extension of the vaginal lumen around the intravaginal part of the uterine cervix is the
A.
Cervical canal
B.
Fornix
C.
Uterine cavity
D.
Rectouterine pouch
E.
Uterovesicle pouch
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