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【简答题】
将函数y=3sin2x的图象向左平移 π 8 个单位得到图象的解析式为______．
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举一反三
【单选题】The School Where Pupils Rate Their Teachers Pupils observe their teacher at the George Mitchell School in London There is nothing on the outside of George Mitchell School, in east London, to show that...
A.
Having more than four children.
B.
Having a high BMI.
C.
Spending a long time in the sun.
【简答题】The pupils were quieted at once on the teacher's threat to keep them in after school. When the teacher __________ keep the pupils in after school they were quieted at once. (threaten)
【单选题】_________ all the pupils in the school felt the same effect of small classes remains to be researched.
A.
That
B.
Whether
C.
What
D.
If
【单选题】下列三个结论中,所有正确结论的序号是() (1)若集合A=(-∞,3],B=(-2,+∞),则A∩B=(-2,3] (2)不等式(5x-1)^2>0的解集是R (3)若p:x∈{x丨丨x丨≤5},q:x∈{x丨x^2≤25},则条件p是结论q成立的充要条件
A.
(2)
B.
(3)
C.
(1)(3)
D.
(2)(3)
【简答题】When the foreigners appeared in the school, the pupils smiled at them friendly . A B C D
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