【单选题】Jack sat down in front of the visitor because he wanted ______.
B.
to show the visitor how clever he is
【判断题】螺纹的基本要素包括牙型、大径、小径、螺距、导程、线数和旋向等。
【单选题】Jack wanted to get a ticket to Titanic, but there was ____ left. [ ]
【多选题】核算基数就是要确定采购费用总额,确定核算基数的方法有:
【单选题】客家童谣的表现艺术很多,其中用得较多的是 。
【单选题】Jack wanted to get a ticket to Titanic, but there was ____ left.
【单选题】Jack only wanted to ______.
C.
put something in place
D.
keep something in place
【简答题】学校“精雕”质量文化的文化特质是 ; ; ; 。