地质构造面或倾斜面或倾斜岩层层面与水平面的交线的两端的延伸方向称为（）A．走向B．倾向C．延向D．斜向
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阅读下列短文，回答 56～60 题：
第 56 题 Marie felt heinous when she knocked at the door because _______.
What is implied by the author？
下列不属于水泥混凝土路面优点的是（）A．有利带动当地建材业发展B．耐久性好C．有利于夜间行车D．节约水泥用量
＿＿＿,a friend of Mrs Black found the watch she had lost two days before．
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