Section1 上期复习
1.  argument, confrontation, fight

2.  purchase, acquisition, property

3.  endeavors, attempts, efforts

4.  precision, exactness,  care

5.  obvious, explicit,  clear

Section2  请写出下面单词的中文意思

1. Attendance at the meeting was optional, not required.

2. Harold's work was not sloppy, it was meticulous.