问题
单项选择题
2比3比1溶液（）
A．1/2张
B．1/3张
C．1/4张
D．2/3张
E．等张
答案
参考答案：A
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2比3比1溶液（）
A．1/2张
B．1/3张
C．1/4张
D．2/3张
E．等张
参考答案：A
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| Lucy and I are in the same class. She's a 1 student and is always the best in the class in her studies. She often goes to school by bike because her home is a little 2 from the school. She 3 beside me in the classroom. Lucy likes 4 very much and often take exercises after school. She often helps me with my studies and I 5 her very much. | ||||
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