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【简答题】
A survey of English schoolchildren shows boys and girls are worrying about the way they look. The 1.____ found that over half of male schoolchildren lacked confidence because of their body 2.______ .The figure for girls slightly3._____. at 59 percent. Researchers questioned 693 teachers about how their students 4._____ about their bodies. All the children had taken lessons on body image and self-esteem. Teachers said many children were very 5._____ if others said bad things about their appearances. Around 55 percent of teachers reported that girls were extremely sensitive to comment 6.____ their looks; the figure for boys being easily hurt by teasing( 取笑 )was 27 percent. Teachers gave a number of 7._____ why children as young as four years old were stressing out about their shapes. Over 90 percent of teachers 8.____ Internet and television. Children see images of “ perfect ” bodies every day and they feel they have to look that way too. Many children are on diets to make themselves 9._____ to the opposite sex. One elementary school teacher said : “ I work with four to five-year-olds and some say things like, ‘I can’t eat cheese, it will make me 10.____ ’”, A teachers’ spokeswoman warned that children trying to look like “celebrities in the media only lead to misery”. A. about F. fat K. questions B. attractive G. felt L. reasons C. blame H. for M. shape D. complete I. higher N. study E. discover J. lazy O. upset
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【单选题】曲线y= ﹣ 在点P(4,﹣ )处的切线方程是 [     ]
A.
5x+16y+8=0
B.
5x﹣16y+8=0
C.
5x+16y﹣8=0
D.
5x﹣16y﹣8=0
【单选题】在数据转发过程中,3层信息是否在变化?
A.
B.
【单选题】下列方程中不含一次项的是 [     ]
A.
3x 2 -5=2x
B.
16x=9x 2
C.
x(x-7)=0
D.
(x+5)(x-5)=0
【简答题】二. 使用学生成绩数据(cj.csv),进行线性回归分析。 ¶ 导入模块 读取数据文件(cj.csv),并提取其中的0—32列数据作为影响因素数据(以变量x存储);提取其中的“python语言基础”列(第33列)数据作为预测数据(以变量y存储)。(即预测python语言基础的成绩) 将x、y划分为训练集、测试集,测试集比例为20% 使训练集、测试集,构建并训练线性回归模型 预测训练集结果 把测试集...
【判断题】骨按部位可分为颅骨、躯干骨和四肢骨三部分。( )
A.
正确
B.
错误
【单选题】位于温带地区的国家比位于热带地区的国家( )
A.
富裕
B.
贫穷
C.
没有什么不同
D.
诚信
【单选题】关于儿童维生素D缺乏性佝偻病的病因,下列哪种说法是错误的?
A.
严重的肝肾疾病
B.
糖皮质激素等药物的使用
C.
生长过速
D.
未及时添加辅食
【多选题】Pd以纯Pd或Pd-Ag等中间合金的形式作为合金元素加入Au、Ag和Pt等合金中,主要有哪几个方面的作用?
A.
形成更饱和的白色
B.
固溶强化
C.
提高合金的抗晦暗能力
【简答题】临时存款账户的有效期不得超过3年。( )
【单选题】对未入账的长期借款进行审查,无效的审计程序是()
A.
向被审计单位索取债务说明书,了解举债业务
B.
对利息费用实施分析
C.
编制长期借款明细表并与总账核对
D.
查阅企业管理部门的会议记录、文件资料,了解与举债相关的信息
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