问题
单项选择题
硅沉着病早期病变表现在（）。
A.两肺上叶
B.两肺下叶
C.左肺中叶
D.肺门淋巴结
E.胸膜
答案
参考答案：D
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硅沉着病早期病变表现在（）。
A.两肺上叶
B.两肺下叶
C.左肺中叶
D.肺门淋巴结
E.胸膜
参考答案：D
| 选择合适的词组并用其正确形式填空。 | |
2. Dr Bethune will ________ his spirit. 3. When the wind was coming, animals ran away________. 4. Mother often________ her child _______ play in the safe place. 5. Every family________ the best food and clothes _______ their children. |