[单选题]材料题
AAfter ten years of being a housewife a mother, Carol could not stit any longer. Then, one morning,just after her two. daughters had gone to school, she saw an advertisement(广告) in the pa-per. She phoned,was asked to come to an interview(面谈) that very afternoon. Mr. Hollins,who interviewed her, was a young man about 24 in a blue suit. There was a hard look in his eye he talked very fast. He told her she would be required to stop men between the ages of 21 50 ask them several questions designed to determine what men think of deodor-ants( 除臭剂). The information was to be recorded she would be paid according to the number of complete interviews she had. When Carol asked which factory the research was for, she was told that was not important. Last of all, before she began she would have to attend a one-day training. Carol accepted. After the train-ing, which was only about how to write down the answers correctly in a form how to put the ques-tions, Carol found herself in the center of town at 9:30 in the morning. She soon found out that get-ting the information was really not all that easy. First, she stopped a man who refused to answer any questions because he had no time. Next, a man told her it was none of her business whether he used deodorants or not. Then she interviewed a man who was hard of hearing and, instead of answering her questions, began asking her all sorts of his own. Finally, Carol found a young man with a pleasant smile on his face. He was coming towards her slowly seemed ready to talk. He looked surprised when she put her first question. "I'm doing a research,too. It's about soap powders,"he said. 根据以上内容,回答44-46题.44.（ ） Mr. Hollins told Carol that she was required__________. 查看材料A.to record what she heard in the streets
Bto collect men's opinions on a product
Cto pay visits to men aged 21 through 50
Dto stop people who were using the product
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答案解释：
B【解析】本文是一篇说明文，第一段即道出全文的主旨——说明一种新型客机在投入使用之前所做的两项最重要的测试。第二段对其中一项测试tank test进行了说明。该段落的第2—4句说明了为什么飞机的结构要牢固。第5—7句从物理学上说明飞机在空中爆炸的原因。接下来才说明tank test测试的目的是to test the stlMc-ture of the plane和测试方法。第二段末尾提到通过测试“Engineers can discover which part of the?plane has broken．Then that part is made stronger．” 可判断B项涵盖了上述意思。
