问题
单项选择题 B1型题
蓝氏贾第鞭毛虫主要致病作用是（）
A.对宿主组织的溶解性破坏作用
B.慢性坏死性肉芽肿病变
C.虫体增殖吸附覆盖肠上皮阻碍营养吸收
D.侵袭并破坏红细胞
E.使巨噬细胞大量破坏和增生
答案
参考答案：C
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蓝氏贾第鞭毛虫主要致病作用是（）
A.对宿主组织的溶解性破坏作用
B.慢性坏死性肉芽肿病变
C.虫体增殖吸附覆盖肠上皮阻碍营养吸收
D.侵袭并破坏红细胞
E.使巨噬细胞大量破坏和增生
参考答案：C
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| With a group of colleagues, I travelled to the north of Thailand. I loved the heat, the streets, the busy markets and the smell of Thai food. One day, I set off from my _1_ to find a temple that interested me. When I walked past some buildings, I was 2 as I glanced between two unfinished buildings. There, an old woman in 3 clothing lay on the dusty stones. The terrible thought crossed my mind 4 she might be dead. Feeling quite helpless, I 5 her. She looked quite beautiful but very ill. As an instant 6 , I reached into my pocket to find some money. 7 , I pushed it into her hand. It was enough money for her to 8 for a few months. At this moment she opened her large, brown eyes filled with tears and 9 the money I'd given her. I felt like the "kind stranger". 10 a common language, she looked at me with the 11 and pity that could burn into a soul. She 12 pushed back the money. I was left shocked. Her eyes were 13 me. It took at least a kilometre of walking to 14 I was quite the fool. She didn't 15 money. She needed covers, a bottle of water and possibly some human comfort. She was the one to teach me a valuable lesson. That evening, I sat analysing my material version of "_16_". I knew I had to 17 my Western values. This beautiful woman had given me something that I will 18 for the rest of my life. When I look back upon the 19 , I hope my face carries the same wise smile that 20 laughed at me. | ||||
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