问题
多项选择题
肺血管异常的疾病中，伴有肿块影的是()
A．肺动脉狭窄
B．肺动脉缺如
C．肺隔离症
D．部分肺静脉回流异常
E．肺动静脉瘘
答案
参考答案：C, E
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肺血管异常的疾病中，伴有肿块影的是()
A．肺动脉狭窄
B．肺动脉缺如
C．肺隔离症
D．部分肺静脉回流异常
E．肺动静脉瘘
参考答案：C, E
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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