问题
单项选择题 A1型题
肺癌发现对侧肺转移属于（）
A.直接扩散
B.淋巴转移
C.血行转移
D.种植转移
E.远处转移
答案
参考答案：E
解析：肺癌发生对侧肺转移机制并不完全清楚，虽然血行转移的可能性大，但其他的转移途径的可能性也存在。但有一点是肯定的，在国际肺癌分期中，将其定为远处转移，即M1。
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肺癌发现对侧肺转移属于（）
A.直接扩散
B.淋巴转移
C.血行转移
D.种植转移
E.远处转移
参考答案：E
解析：肺癌发生对侧肺转移机制并不完全清楚，虽然血行转移的可能性大，但其他的转移途径的可能性也存在。但有一点是肯定的，在国际肺癌分期中，将其定为远处转移，即M1。
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| Here is a page from a magazine called Future. Read the following information about things that may happen in twenty years. Cars will run on solar power (太阳能) and will be much cleaner and safer. For example, if you are too close to another car or if you are driving dangerously, your car will slow down or stop by itself. New cities will have to be built in the sea. Some cities on water will have two levels (层). People will live on the upper level, the lower level will be used for traffic, shops and factories. Biotechnology (生物技术) will make food better and healthier. Plants without insects or illnesses (病虫害) will be developed. The taste of fruit and vegetables will be better and food will be kept longer. Many new ways to cure (治愈) illnesses will be found. People will use products of genetic engineering (基因产品) to cure more illnesses. However, some new illnesses will appear. | ||||||||||
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