在几何体P﹣ABCD中，ABCD为矩形，各棱所在直线共有异面直线（　　）

阅读短文（A），用方框中词的适当形式填空，使文章通顺，连贯，合理（每空一词，每次限用一次）

A

A train ____ at a small station. A man looked out of the window and ____ a woman selling cakes. People from the train were ____ them. The man wanted to buy one, but the woman was standing far ____ the train. Suddenly he saw a boy walking past him. “Come here, boy!” the man said, “How much is the cake, do you know?” “One yuan for each,” the boy answered.

The man gave the boy two yuan and ____   him to buy two cakes. “One for me and the other for you.” he said to the boy. In a minute, the boy came back. He was eating a cake. He gave the man one yuan and said. “There are only one cake.”

 近年来，出现了一种被命名为H7N9的新亚型禽流病毒，使我国家禽养殖业受到较大的影响，而且该病毒还能使人致病，致死，威胁公共卫生安全．由于防控措施得力，已有效控制了H7N9型离流感的蔓延．据此回答：

入下面一段文字横线处的语句，衔接最恰当的一组是(    )
近年来出现了所谓国学热。                    。重要的不是意见之争，而是学理或技术性争论。
①就像自然生态需要多样性，不能随便说哪个物种是“坏的”，更不能随便认为哪种文化不应该存在。
②关于国学到底“好不好”这样的问题几乎没有意义。
③但居然演变成一种“轻浮”的文化争论，这就让人失望了。
④何况国学存在数千年，自有其伟大力量和深刻道理。
⑤过于随便地进行批判，没有任何建设性。
⑥国人对国学有兴趣，本是理所当然的事。