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【单选题】
What do studies of marriage relationship indicate?A.
A happy marriage must be based on the completely same likes and dislikes.
B.
It can only be successful when the couple share the same attitudes and values.
C.
The only difference between marriage and friendship is that the former is voluntary.
D.
The most successful are between people who are alike but not exactly the same.
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反馈参考答案：
举一反三
【简答题】日本の文字は中国の漢字から作られた()言われている。
【单选题】2-9x . 集成逻辑电路 74LS245 的内部部分结构如图 2-41 所示,试说明该电路的逻辑功能。
A.
非门
B.
数据单向导通
C.
数据的双向传输
D.
与非门
【单选题】Prof. Green ________ sick yesterday. He ______ a fever. Now he still feels weak.
A.
is, has
B.
was, have
C.
was, had
D.
were, have
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