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【单选题】
如果函数y=a x （a x -3a 2 -1）（a＞0且a≠1）在区间[0，+∞）上是增函数，那么实数a的取值范围是（ ）A.
(0， 2 3 ]
B.
[ 3 3 ，1)
C.
(0， 3 ]
D.
[ 3 2 ，+∞)
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【单选题】Among all the teachers in this school, Miss Tao is one of ____.
A.
young
B.
younger
C.
the youngest
D.
the most young
【单选题】This term all the teachers in Xinghua are thinking about ___________ to make the students learn better by changing their teaching ways.
A.
where
B.
which
C.
what
D.
how
【简答题】All the teachers in the
school are required to plan their teaching ________ for the next six months
【简答题】all the teachers in a university (E) =
【简答题】faculty--all the teachers in a university
【单选题】His achievements _________ the expectation of all the teachers in his school.
A.
succeeded
B.
exceeded
C.
executed
D.
proceeded
【单选题】All the teachers in the school are required to plan their teaching for the next six months.
A.
schedule
B.
schema
C.
schooling
D.
scholar
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