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【单选题】
设直线y=x+b分别在第一和第三象限与曲线y= 相交于点A、点B,则能确定b的值. (1)已知以AB为对角线的正方形的面积. (2)点A的横坐标小于纵坐标.
A.
条件(1)充分,但条件(2)不充分.
B.
条件(2)充分,但条件(1)不充分.
C.
条件(1)和条件(2)单独都不充分,但条件(1)和条件(2)联合起来充分.
D.
条件(1)充分,条件(2)也充分.
E.
条件(1)和条件(2)单独都不充分,条件(1)和条件(2)联合起来也不充分.
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【判断题】尿量增加,药物在尿液中的浓度上升,更易重吸收
A.
正确
B.
错误
【判断题】Population can be viewed as both a market for goods and a potential source of labor.
A.
正确
B.
错误
【单选题】Which type of market segmentation is generally used by marketers who sell products for the affluent segments of a population?
A.
usage rate
B.
occasion
C.
income
D.
benefits sought
E.
gender
【单选题】《大气污染物综合排放标准》(GB 16297—1996)规定了最高允许排放速率的分级,现有污染源分( )级,新污染源分( )级。
A.
一、二、三 一、二、三
B.
1~5 1~5
C.
一、二、三 二、三
D.
1~5 2~5
【判断题】In countries where large shares of the population are moving into middle-income classes, penetration pricing becomes irrelevant as a tool to stimulate market growth.
A.
正确
B.
错误
【单选题】下列关于《大气污染物综合排放标准》(GB 16297—1996)一些常用规定的说法错误的是(    )。
A.
排气筒高度应高出周围200m半径范围内的建筑5m以上,达不到该要求的应按其高度对应的表列排放速率标准值严格50%执行
B.
若某排气筒的高度位于标准中某两个值之间,其执行的最高允许排放速率按内插法计算
C.
新污染源的排气筒一般不应低于20m
D.
工业生产尾气确需燃烧排放的,其烟气黑度不得超过林格曼1级
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【单选题】十进制数13转换为二进制数是
A.
1010 B
B.
1011 B
C.
1101B
D.
1110B
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