Australian Aborigines believed in a creative period, usually referred to in English as ________.
时间：2020-06-16
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Australia, which is one of the world's developed countries, has become rich through ________.
Australia is located between ________ and the Indian Ocean.
如图2所示的5跨连续梁，当计算第四跨跨中出现最大弯矩时的活荷载布置为（）
The theme of Thanksgiving has always been ________.
In “ Song of Myself ” , Whitman writes that ________.
The functions of institutions of higher education in the U.S. are ________.
矩形简支双向板，板角在主弯矩作用下（）
简支梁式楼梯，梁内将产生的内力为：（）
钢筋混凝土梁在其他条件不变时，且不增加钢筋用量，用细钢筋代替粗钢筋，则（）
