问题
单项选择题
下列哪个不属于肾脏的正常声像图表现
A．肾脏纵轴面呈椭圆形或扁椭圆形
B．肾皮质回声与肝实质回声相比呈均匀性中低回声
C．青少年和婴儿的锥体回声可较成年人稍强
D．肾皮质和锥体之间有时可见短线或点状高回声代表肾内弓形血管
E．肾盂无回声有时宽达l～2cm仍属正常
答案
参考答案：C
解析：青少年和婴儿的锥体回声较成年人稍低，可近似无回声。
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下列哪个不属于肾脏的正常声像图表现
A．肾脏纵轴面呈椭圆形或扁椭圆形
B．肾皮质回声与肝实质回声相比呈均匀性中低回声
C．青少年和婴儿的锥体回声可较成年人稍强
D．肾皮质和锥体之间有时可见短线或点状高回声代表肾内弓形血管
E．肾盂无回声有时宽达l～2cm仍属正常
参考答案：C
解析：青少年和婴儿的锥体回声较成年人稍低，可近似无回声。
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| The year I went away to college was a very difficult transition (过渡期) for me. 1 is probably true with many people, I got quite homesick and 2 thought about going home. Although the 3 time for many students is getting 4 from home, my mailbox was frequently 5 . One day when I went to the mailbox, there was a postcard 6 at me. I sat down to read it, 7 a note from someone back home. 8 I became increasingly puzzled (困惑) as 9 postcards were like this. It was a full news report about a woman named Mabel and her new-bom baby. I took the card to my room and 10 about it. Several days later I 11 another postcard, and this one 12 news about Maybelline, Mabel's cousin. Soon after, another card arrived and then another, 13 full of news of different people. I began to 14 look forward to the next one, 15 to see what this author would come up with 16 . I was never 17 . Finally, the cards 18 coming, right about the time I had begun to feel 19 about college life. They had been such a happy distraction (调剂) that I have 20 all the postcards and still bring them out to read whenever I need a lift. | ||||
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