问题
单项选择题 B1型题
溃疡性睑缘炎是由于（）
A.睑腺感染所致
B.睑板腺感染所致
C.睑腺及睑板腺分泌旺盛，加以感染所致
D.睫毛毛囊和睑缘皮肤受葡萄球菌感染所致
E.Morax－Axenfeld双杆菌感染所致
答案
参考答案：D
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溃疡性睑缘炎是由于（）
A.睑腺感染所致
B.睑板腺感染所致
C.睑腺及睑板腺分泌旺盛，加以感染所致
D.睫毛毛囊和睑缘皮肤受葡萄球菌感染所致
E.Morax－Axenfeld双杆菌感染所致
参考答案：D
| 选择所给词填空。 | |
2. You will see many stars in the sky______ you come out at a fine night. 3. I want to ask the teacher ______ we will take a day off. 4. I am mad at him ______ he is playing the stereo too loud. 5. ______ he was stealing the girl's purse, I saw him. |