最常用的一种基本数据模型是关系数据模型，它的表示应采用( )。 A．树 B．网络

某校附近有家“学生书屋”，专门出租武打、言情小说及含有暴力、色情内容的卡通画册，租书者多为在校的青少年学生。有些学生租了这些书课间看、晚上看，甚至上课也偷偷看，整天魂不守舍。他们中间还流传着这样的顺口溜：“亲亲热热交朋友，迷迷糊糊跟着走，身不由己学坏喽。”

（1）这些青少年受到了什么诱惑？对他们有什么危害？

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（2）在生活中还有哪些对中学生健康成长不利的诱惑？（至少三个）

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（3）面对以上问题，你能为同学们拒绝不良诱惑提三条建议吗？

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阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用

括号中词语的正确形式填空。

     Do you feel 1._____ difficult to be happy all the time? Now I'll give you some tips 2._____ how to make

yourself happy. One way is being unselfish because 3._____ (self) is the key factor 4._____ (require) if you

want to get along well with others. By 5._____ (say) being unselfish we mean we should not want everything

our own way or demand the best share of everything. 6._____ way is to look for good points in other people.

You'll find most people pleasant to go with and it will surely make you happy. Third, you can not expect to be

too perfect, 7._____ don't be too unhappy when you make a mistake. Everything will be OK if you try to make

things right. Finally, it is important to remember 8._____ while you are no 9._____ (bad) than others, chances

you have may not be much better. In this case, 10._____ surest way to be happy is to think yourself above

other people.

酒制有利于有效成分的溶出。

与宫颈癌的发生密切相关的病毒是（）

A.HBV

B.HPV

C.HSV

D.HIV

E.HCMV

我国的企业基本用工形式是（）

A.自主招用人员

B.劳动合同用工

C.劳务派连用工

D.委托就业服务机构