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【简答题】
已知函数f（x）=sinxcosx+ 3 cos 2 x+ 3 2 （x∈R） （1）求函数f（x）的最周期； （2）求函数f（x）的单调减区间； （3）求函数f（x）的对称轴方程，对称中心的坐标．
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参考答案：
举一反三
【单选题】The prefix de- in demystify means ().
A.
badly, bad;
B.
reversing the action, depriving  of;
C.
false, imitation;
D.
supreme, most
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【判断题】When you stir the tea, you can always circle your teaspoon.
A.
正确
B.
错误
查看完整题目与答案
【简答题】Write in each space one word that has the same prefix as underlined in each given word. 1. pre face 5. per iphery 2. pro logue 6. dia logue 3. fore sight ...
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【单选题】The prefix de- in degradation means
A.
away
B.
off
C.
from
D.
down
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【单选题】中国洋务运动失败的标志事件是
A.
留美幼童计划中途夭折
B.
甲午战争的失败
C.
北洋水师全军覆灭
D.
洋务派企业运营效率低下
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【单选题】标志着以 “自强”“求富”为目标的洋务运动失败的事件是什么?
A.
第二次鸦片战争
B.
八国联军侵华
C.
中法战争中中国的失败
D.
甲午战败
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【单选题】对并发执行而言,一个事务在执行不能被其他事务干扰的原则,这是事务的( )
A.
原子性
B.
一致性
C.
隔离性
D.
持久性
查看完整题目与答案
【单选题】The prefix "de" in the word "dehydration"means
A.
not
B.
down
C.
against
D.
condition
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【多选题】The differences between exocrine gland and endocrine gland are
A.
exocrine gland has excretory ducts, but endocrine gland has no ducts
B.
secretion of exocrine gland acts on local region
C.
exocrine gland is a multicellular gland, but endocrine gland may be monocellular gland or multicellular
D.
the product of exocrine gland is directed to the blood circulation
E.
the product of endocrine gland is known as hormon
查看完整题目与答案
【简答题】Write in each space one word that has the same prefix as underlined in each given word. 1. pre face 2. pro logue 3. fore sight 4. para lysis 5. per iphery 6. dia logue 7. semi final 8. de valuate
查看完整题目与答案
相关题目：
【单选题】The prefix de- in demystify means ().
A.
badly, bad;
B.
reversing the action, depriving  of;
C.
false, imitation;
D.
supreme, most
查看完整题目与答案
【判断题】When you stir the tea, you can always circle your teaspoon.
A.
正确
B.
错误
查看完整题目与答案
【简答题】Write in each space one word that has the same prefix as underlined in each given word. 1. pre face 5. per iphery 2. pro logue 6. dia logue 3. fore sight ...
查看完整题目与答案
【单选题】The prefix de- in degradation means
A.
away
B.
off
C.
from
D.
down
查看完整题目与答案
【单选题】中国洋务运动失败的标志事件是
A.
留美幼童计划中途夭折
B.
甲午战争的失败
C.
北洋水师全军覆灭
D.
洋务派企业运营效率低下
查看完整题目与答案
【单选题】标志着以 “自强”“求富”为目标的洋务运动失败的事件是什么?
A.
第二次鸦片战争
B.
八国联军侵华
C.
中法战争中中国的失败
D.
甲午战败
查看完整题目与答案
【单选题】对并发执行而言,一个事务在执行不能被其他事务干扰的原则,这是事务的( )
A.
原子性
B.
一致性
C.
隔离性
D.
持久性
查看完整题目与答案
【单选题】The prefix "de" in the word "dehydration"means
A.
not
B.
down
C.
against
D.
condition
查看完整题目与答案
【多选题】The differences between exocrine gland and endocrine gland are
A.
exocrine gland has excretory ducts, but endocrine gland has no ducts
B.
secretion of exocrine gland acts on local region
C.
exocrine gland is a multicellular gland, but endocrine gland may be monocellular gland or multicellular
D.
the product of exocrine gland is directed to the blood circulation
E.
the product of endocrine gland is known as hormon
查看完整题目与答案
【简答题】Write in each space one word that has the same prefix as underlined in each given word. 1. pre face 2. pro logue 3. fore sight 4. para lysis 5. per iphery 6. dia logue 7. semi final 8. de valuate
查看完整题目与答案
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