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问题
填空题
超过滤膜对大分子溶质的截留,最理想的方式是()。
答案
参考答案:筛分
补全对话,情景问答
给下列问句选择正确的答语。
( ) 1. Do you like Chinese food?
( ) 2. What would you like?
( ) 3. Would you like some noodles?
( ) 4. Why are you crying?
( ) 5. How old are you?
A. I'm twelve.
B. Because I hurt my finger.
C. Yes, I do.
D. I'd like some soup.
E. Yes, please.
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单项选择题
探求语源适用的最基本方法是()
A.以形索义
B.因声求义
C.引文说义
D.直接说义
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