问题
单项选择题
性坏死性肠炎的病变主要部位（）。
A.空肠下段和回肠上段
B.横结肠和降结肠
C.全部小肠
D.直肠与乙状结肠
E.食管与小肠
答案
参考答案：A
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性坏死性肠炎的病变主要部位（）。
A.空肠下段和回肠上段
B.横结肠和降结肠
C.全部小肠
D.直肠与乙状结肠
E.食管与小肠
参考答案：A
用所给词的正确形式填空。
1.Tony _____ with his friends in the park on Sundays. 2. Please _____ quiet when you are in library. 3. They have many _____ of books. 4. Larry is a Lion. He usually sleeps and _____ 20 hours every day. 5. Why not _____ to some music? 6. He wants _____ nine hours a day. 7. Dolphins are _____ to us. 8. My pen pals are from different _____ . 9. She can speak _____ well. 10. The boy likes eating _____. |
