重點單詞：
1、demographic
adj. 人口統計學的；人口學的
The station has won more listeners in the 25-39 demographic.
這個電臺吸引了更多25-39歲年齡段的聽眾。
2、discover
vt. 發現；發覺
vi. 發現
She discovered that they'd escaped.
她發覺他們已經逃走了。
3、breakdown
n. 故障；崩潰；分解；分類；衰弱；跺腳曳步舞
My personal life was terrible. My mother had died, and a couple of years later I had a breakdown.
我的個人生活糟透了。母親去世了,幾年后我精神崩潰了。
4、segment
vi. 分割
n. 段；部分
vt. 分割
Peel all the fruit except the lime and separate into segments.
除了酸橙之外，把所有的水果剝皮并分成瓣。
5、notch
n. 刻痕，凹口；等級；峽谷
vt. 贏得；用刻痕計算；在…上刻凹痕
Average earnings in the economy moved up another notch in August.
平均經濟收入在8月份又上升了一級。
考考你
1、It was difficult for the inspectors to discover which documents were important and which were not.
2、The organizers were given a breakdown of the costs.
3、The other children stood around the circle, one in each segment.
答案下期公布：
上期答案：
1、They uncovered the statue at the beginning of the ceremony.
2、What do you intend for your words?
3、It is impossible that, in this case, we should not approve of his grief.