part five: directions: in this section, you will hear a passage three times. when the passage is read for the first time, you should listen carefully for its general idea. then listen to the passage again. when the passage is read for the second time, you are required to fill in the blanks. finally, when the passage is read for the third time, you should check what you have written. memory is essential for everything we do as human beings. it's 27) ______ that we have this magical time machine in our heads...
性别角色社会化的主要机制不包括( )
《山东省建筑工程消耗量定额》(2016版)中,轻质砌块墙可以采用单排脚手架。
一切家庭形式中最稳定的形式是( )
若一搜索树(查找树)是一个有n个结点的完全二叉树,则该树的最小值一定在叶结点上
what is the man’s postcode?
choose the word with correct stress.
part two directions: choose the words you hear in the following sentences. 7. i talked to the _______ in the store.
listen and choose the correct meaning for each given word. frequent