题干
—The land in the southwest of China is in great need of .
—Yes, it hasn't rained for a long time there.
A：people
B：food
C：water
答案(点此获取答案解析）
C
—The land in the southwest of China is in great need of .
—Yes, it hasn't rained for a long time there.
A：people
B：food
C：water
的展开式中x的系数是 ( )