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Passage Three The flood of women into the job market boosted economic growth and changed U.S. society in many ways. Many in-home jobs that used to be done __1__ by women—ranging from family shopping to preparing meals to doing __2__ work—still need to be done by someone. Husbands and children now do some of these jobs, a __3__ that has changed the target market for many products. Or a working woman may face a crushing “poverty of time” and look for help elsewhere, creating opportunities for producers of frozen meals, child care centers, dry cleaners, financial services, and the like. Although there is still a big wage __4__ between men and women, the income working women __5__ gives them new independence and buying power. For example, women now __6__ about half of all cars. Not long ago, many cars dealers __7__ women shoppers by ignoring them or suggesting that they come back with their husbands. Now car companies have realized that women are __8__ customers. It’s interesting that some leading Japanese car dealers were the first to __9__ pay attention to women customers. In Japan, fewer women have jobs or buy cars—the Japanese society is still very much male-oriented. Perhaps it was the __10__ contrast with Japanese society that prompted American firms to pay more attention to women buyers. A) scale I) potential B) retailed J) gap C) generate K) voluntary D) extreme L) excessive E) technically M) insulted F) affordable N) purchase G) situation O) primarily H) really
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【单选题】在安装算量软件里面,给排水工程中为什么有的管件如阀门识别不了?
A.
识别的顺序不正确,要先识别管道
B.
管道附件里没有输入规格型号
C.
没有新建阀门构件
D.
没有识别材料表
【判断题】如果对于任意实数 ,恒有 ,那么 为常数。( )
A.
正确
B.
错误
【简答题】对定义在区间 上的函数 ,若存在闭区间 和常数 ,使得对任意的 ,都有 ,且对任意的 都有 恒成立,则称函数 为区间 上的“ 型”函数. (1)求证:函数 是 上的“ 型”函数; (2)设 是(1)中的“ 型”函数,若不等式 对一切的 恒成立,求实数 的取值范围; (3)若函数 是区间 上的“ 型”函数,求实数 和 的值.
【简答题】定义函数 (K为给定常数),已知函数 ,若对于任意的 ,恒有 ,则实数K的取值范围为 .
【判断题】在酒液中某些成分的含量超标,会致人视神经受损,这种成分是甲醇。
A.
正确
B.
错误
【简答题】:已知数列 的前n项和为 满足 , 猜想数列 的单调性,并证明你的结论; (Ⅱ) 对于数列 若存在常数M>0,对任意的 ,恒有 ,,  则称数列 为B-数列。问数列 是B-数列吗?   并证明你的结论。
【简答题】指北针或风玫瑰图应绘制在总平面图图样的()。
【判断题】对任意常数恒有 。( )
A.
正确
B.
错误
【单选题】一个正常人与多指症患者的正常同胞结婚,所生孩子患多指症的机会是( )
A.
0
B.
1/4
C.
1/2
D.
3/4
【单选题】在酒液中某些成分的含量超标,会致人视神经受损,这种成分是( )
A.
甲醛
B.
甲酯
C.
甲醚
D.
甲醇
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