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问题
单项选择题 A1/A2型题
血氨升髙是肝性脑病的发病机制之一,氨吸收的主要部位在()
A.胃
B.十二指肠
C.小肠
D.结肠
E.直肠
答案
参考答案:
D
填空题
选择适当的词语完成下列句子。
at for or on in
1. What's _____________ dinner?
2. Would you like some fish _____________ beef?
3. How many apples are there _____________ the tree?
4. How many people _____________ your family?
5. He is good _____________ sports.
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问答题 简答题
空气滤清器应如何保养?
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