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【单选题】
现有一 “ 遗传 ” 关系:设 x 是 y 的父亲,则 x 可以把它的属性遗传给 y 。表示该遗传关系最适合的数据结构为A.
向量
B.
二叉树
C.
树
D.
图
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反馈参考答案：
举一反三
【简答题】Listen to it and write down whtat the speaker talks about.
【单选题】The speaker talks about the role of inland waterways in the nation's growth of America.
A.
正确
B.
错误
【简答题】Listen to it and write down whtat the speaker talks about.
【简答题】Te souviens-tu de cette époque? Nous (travailler) ___ six jours sur sept et il y avait très peu de distractions à l'école
【简答题】The ______ Method insists that only the target language should be used in class and meanings should be communicated 'directly' by associating speech forms with actions, objects, mime, gesture and situ...
【单选题】The expression 'whether someone is open to approaches' in paragraph 2 is closest in meaning to ______.
A.
if someone is going to approach a stranger
B.
whether someone is ready to speak to someone approaching
C.
if someone is willing to make friends with a stranger
D.
whether someone is pleased to introduce him/herself to a stranger
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