0  439860  439868  439874  439878  439884  439886  439890  439896  439898  439904  439910  439914  439916  439920  439926  439928  439934  439938  439940  439944  439946  439950  439952  439954  439955  439956  439958  439959  439960  439962  439964  439968  439970  439974  439976  439980  439986  439988  439994  439998  440000  440004  440010  440016  440018  440024  440028  440030  440036  440040  440046  440054  447090 

3.如果是定义在R上的偶函数,它在上是减函数,那么下述式子中正确的是

   A.         B.

   C.         D.以上关系均不确定

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2.函数的递减区间为 

A.(1,+)    B.(-]   C.(,+)   D.(-

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1.若关于的不等式对任意恒成立,则实数的取值范围是

A.          B.         C.      D.

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1  you  how  milk  often  do  drink

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2  food  to  me  good  exercise  and  help  better  study 

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3  tennis  hardly  they  play  can

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4.  you  she  think  has  lifestyle  do  healthy  a

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[我的收获-我快乐]_________________________________________

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[我的不足-我改正] 你有做错的题吗?请你记录下来并更正到错题记录本!

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4. He ___in the classroom at the moment.

A. maybe    B. may be  C. stay  D. stayed

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3. Pass me my glasses, Tom. I can ____see the picture.

A. hardly    B. really  C. rather   D. almost

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2. ____Laura is a little child, she knows a lot of knowledge.

A. Although   B. But   C. Because  D. Almost

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1. --Why not ____music club? 

--I’m sorry. I can’t sing or dance.

A. to join    B. join   C. joining   D. to join in

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2. 大量的蔬菜帮助你保持健康。________________________________________.

 [达标测评]  

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1. 做眼保健操对你的眼睛有好处。______________________________________.

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同步练习册答案