问题
单项选择题
与Ⅱ型超敏反应无关的成分是（）
A.IgM／IgG
B.补体
C.NK细胞
D.吞噬细胞
E.T细胞
答案
参考答案：E
解析：Ⅱ型超敏反应是由IgMIgG类抗体与靶细胞表面相应抗原结合后，在补体、吞噬细胞和NK细胞参与下，引起的以细胞溶解或组织损伤为主的病理性免疫反应。
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与Ⅱ型超敏反应无关的成分是（）
A.IgM／IgG
B.补体
C.NK细胞
D.吞噬细胞
E.T细胞
参考答案：E
解析：Ⅱ型超敏反应是由IgMIgG类抗体与靶细胞表面相应抗原结合后，在补体、吞噬细胞和NK细胞参与下，引起的以细胞溶解或组织损伤为主的病理性免疫反应。
| 根据句子意思，从方框中选用恰当的单词或短语填空。 | |
2. The little boy is only four, but he could wash and get dressed. 3. It's said that Neil Armstrong flying at the age of six. 4. They are good friends, so they have much each other. 5. He is a good swimmer, so he _______ swim to land when the ship had an accident. 6. There was a lot of on the city roads but it got better when we were on the highway. 7. — Why are you late for school? — I didn't catch the early bus. 8. If no one buys furs, then people won't kill wild animals . |