正确答案: C

椎体与椎弓

题目：围成椎孔的是( )

解析：C

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举一反三的答案和解析：

[单选题]The author suggests that a man becomes a philosopher when he ______.

seeks a meaning for life

解析：答案为D。根据第二段第二句，Potentially every man is a philosopher because in the depths of his being there is an intense longing to penetrate to the meaning of the mysteries of existence作出该项选择。

[单选题]双眼视野颞侧偏盲，损伤部位是 （ ）B．双侧视束

视交叉中央部

[单选题]神经一肌肉接头兴奋传递的递质是 （ ）

ACh(乙酰胆碱)

[单选题]In most cases women shoppers arc supposed to ______.

be much more careful than men

解析：

    46．答案为C  此考题为推理题。根据文章第4段第6句She will try on any number of things...，以及本段倒数第3句...a woman may easily spend an hour going from one counter to another before selecting the dresses she wants to try on，就可以推断出C正确。