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【单选题】
United States advertising agencies are increasingly using interviews at shopping malls, called 'mall intercepts', to test for advertising effectiveness, product concept viability, and consumer buying habits. Critics of mall intercepts maintain that the shopping habits of mall shoppers are not representative of those of the larger population. Which of the following, if true, would provide evidence that most supports the critics claim about mall intercepts?A.
Some mall shoppers patronize more than one store in any given shopping trip.
B.
Mall shoppers, on average, spend 50 percent more time shopping than shoppers at other locations do.
C.
In the course of any year, 95 percent of all households in the United States have at least one member who does some shopping at a mall.
D.
Mall shoppers who use public transportation to reach the mall tend to have lower incomes than mall shoppers who drive to the mall.
E.
Indoor malls often attract the customary numbers of shoppers even during inclement weather when outdoor malls are likely to lose business.
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【判断题】分娩时产出期延长或胎儿排出受阻，胎盘水肿、和胎囊破裂过晚，倒生时胎儿产出缓慢和脐带受到挤压，脐带前置时受到压迫或脐带缠绕，以及子宫痉挛性收缩等，均可因胎盘血液循环减弱或停止，引起胎儿过早地呼吸，以致吸入羊水而发生窒息。
A.
正确
B.
错误
【判断题】分娩时产出期延长或胎儿排出受阻,胎盘水肿、和胎囊破裂过晚,倒生时胎儿产出缓慢和脐带受到挤压,脐带前置时受到压迫或脐带缠绕,以及子宫痉挛性收缩等,均可因胎盘血液循环减弱或停止,引起胎儿过早地呼吸,以致吸入羊水而发生窒息
A.
正确
B.
错误
【简答题】课上思考题作业:金属材料的基本性能包括哪几个方面的内容?你认为水工艺设备对金属材料的哪些性能要求更高?怎样才能满足这些要求? (这就是道课后思考题,还是最简单的,翻翻书,找找答案,证明你又认真学习这节课;或者,你可以再问问神奇的百度,让你的答案更加丰富。)
【单选题】Mark Twain wrote most of his literary works with a______language.
A.
grand
B.
pompous
C.
simple
D.
vernacular
【单选题】在航道水深不明时使用回声测深仪，正确选择量程的方法是______，直至合适。
A.
先选最大量程，再逐渐变小
B.
先选最小量程，再逐渐变大
C.
先选中档量程，再远近交替
D.
中档以下量程任选
【单选题】使用回声测深仪，正确选择量程的方法是_______。
A.
先选最大量程，再逐渐变小
B.
先选最小量程，再逐渐变大
C.
先选中挡量程，再远近交替
D.
根据海图水深和船舶吃水选择合适的量程
【简答题】特种加工工艺的发展引起了机械制造工艺技术领域内的许多变革,主要体现在哪几个方面?(也即:特种加工对材料可加工性和结构工艺性等方面的影响包括哪些?)
【单选题】Mark Twain wrote most of his literary works with a ____ language.
A.
grand
B.
pompous
C.
vernacular
D.
simple
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