题目内容：
1.The quarrel originated in a_____。（understand)2. He was_____to make any sacrifice for peace.(will)
3.Scientists have established a______between cholesterol levels and heart disease.(connect)
4.Someone allergic to milk is_____to react to cheese.(like)
5.A friend might be an_____or an intimate companion that one has known since childhood.
（acquaint)
参考答案：