177. coarse a. 粗的，粗糙的，粗劣的

Homespun is a cloth of coarse weave.

土布是一种织得粗糙的布。

178. coach n. 教练；长途公共汽车

Recommendation for these scholarships is required, since exceptional athletic performance has to be recognized by a coach or a referee(裁判). (2009年12月大学英语四级考试试题)

179. code n. 准则，法规，密码

A code of conduct is hard to create when you’re living in a world in which everyone is exhausted from overwork and lack of sleep, and a world in which nice people are perceived to finish last. (2008年12月大学英语四级考试真题)

180. coil n. 线圈 v. 卷，盘绕

He coiled the rope on the deck.

他在甲板上把绳子绕好。

The greatest field is right adjacent to the coil.

最大的领域是正确的毗邻为线圈。

181. adult n. 成年人

It’s very important for improving the lives of individuals, however, it is estimated that 880 million adults around the world are illiterate, that is, they are unable to read or write. (2006年12月24日四级听力原文)

182. advertise v. 为...做广告

They advertised that a position was open.

他们公布有一个职位空缺。

183. advertisement n. 广告

After determining the target audience for a product or service, advertising agencies must select the appropriate media for the advertisement. (2008年6月大学英语四级考试真题)

184. agency n. 代理商，经销商

But in March 2001，the Russian Aerospace Agency brought Mir down into the Pacific Ocean. (2006年12月24日大学英语四级(CET-4)真题试卷(A卷))

185. focus v. （使）聚集 n. 焦点，中心，聚焦

Throughout this long, tense election, everyone has focused on the presidential candidates and how they’ll change America.(2009年12月大学英语四级考试试题)

However, a new strategy and a new focus is not enough.

然而，一项新的策略和一次新的聚焦是不足够的。

186. forbid vt. 不许，禁止

She forbade her children sweets.

她不准她的孩子们吃糖。

187. debate n. /v. 辩论，争论

Generational tensions are being fueled by continuing debate over Social Security benefits, which mostly involves a transfer of resources from the young to the old. (2006年6月17日大学英语四级(CET-4)真题试卷(A卷))

188. debt n. 欠债

He couldn’t pay his gambling debts. (2006年12月24日大学英语四级(CET-4)真题试卷(A卷))

189. decade n. 十年

There are already several space tourism companies planning to build suborbital vehicles and orbital cities within the next two decades. (2006年12月24日大学英语四级(CET-4)真题试卷(A卷))

190. enclose vt. 围住；把...装入信封

She enclosed a check for $ 50 with the letter.

她随函附上50美元的支票一张。