The author indicates that____is threatening American political power.
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Why does Jack want to leave right away?
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
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?