选择题：49.We never know the love of the parents until we

题目内容：

49.We never know the love of the parents until we become ________ ourselves.
A.teachers
B.parents
C.children
D.doctors

参考答案：

5、pass ()

分类：大学英语1 题型：选择题

有助于承包商公平竞争，提高工程质量，缩短工期和降低建设成本的招标方式是（）。 A.公开招标　B.邀请招标C.议标D.有限竞争招标

分类：大学英语1 题型：选择题

分类：大学英语1 题型：选择题

64.It is generally believed that teaching is as much an art ________ it is a sci

分类：大学英语1 题型：选择题

93.And in the end, the thrill of creating a properly running system is quite ___

分类：大学英语1 题型：选择题