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【判断题】
因为逻辑表达式 A + B + AB = A + B 成立,所以 AB = 0 成立。 A. 对 B. 错A.
正确
B.
错误
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【简答题】“Do you prefer the red skirt or the blue one?” Mary’s mother asked her. Mary’s mother asked her ________ she ________ the red skirt or the blue one.
【单选题】Mary’s mother asked her ___.
A.
that whether she had finished her homework
B.
if she has finished her homework
C.
if she had finished her homework
D.
that if she had finished her homework
【简答题】从淋巴管出现的早期或先天性表现和病损结构上看,它更像一个 。
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