问题
单项选择题
男性,45岁,有吸烟史20年,劳累后于晚10时,突然咯鲜红色血数口,伴咳嗽、胸闷、乏力、心悸,急诊应首选下列哪项检查为宜
A.血常规、血小板及出、凝血时间
B.心电图
C.痰细菌学及细胞学检查
D.X线胸片
E.胸部CT
答案
参考答案:D
男性,45岁,有吸烟史20年,劳累后于晚10时,突然咯鲜红色血数口,伴咳嗽、胸闷、乏力、心悸,急诊应首选下列哪项检查为宜
A.血常规、血小板及出、凝血时间
B.心电图
C.痰细菌学及细胞学检查
D.X线胸片
E.胸部CT
参考答案:D
When you go shopping, you may not be aware of all the thought and planning which has been put into the design of products. The only aim of all this thought and planning is to make us __1__ as much of our money as possible. Packaging is a very important area in product __2__. Some companies even hire psychologists to make __3__ or do experiments on packaging. In one __4__ experiment, some psychologists wanted to find the best __5__ for a new soap powder. They decided to test the colours blue and yellow. Three different boxes were designed. Some boxes were blue, some were yellow and some were a __6__ of blue and yellow. The same powder was out in all three boxes, a group of women was given the new soap powder in order to __7__ it. The results were very interesting. The powder in the yellow packet was said to be much too __8__. However, the women thought that the powder in the blue box was much too weak. They felt the powder in the __9__ box to be the best powder. So we had better remember never to judge goods by their packaging! We must not allow ourselves to be __10__ into spending more money than we can afford.
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