第一节 单项填空（共15小题；每小题1分，满分15分）
1. In order to have _____ better understanding of the accident, the three witnesses were called for _____ second meeting.
A. the; a B. a; a C. a; the D. 不填; the
2. After the flood, what the government did first was to provide _____ for the homeless families.
A. irrigation B. occupation C. accommodation D. equipment
