147. isolate vt. 使隔离，使孤立

These conditions are increasingly observable around the world. For instance, cultures that were previously isolated and homogeneous(同种类的) ,such as Japan, Denmark and Greece (45)_______________________.( 2008年12月大学英语四级考试)

148. issue n. 问题，争论点；发行，（报刊）一期

Retailers who’re responsive and friendly are more likely to smooth over issues than those who aren’t so friendly.( 2008年12月大学英语四级考试真题)

149. hollow a. 空的，中空的，空虚道

This is a hollow tree.

这是一棵中空的树。

150. hook n. 钩 vt. 钩住

I hooked his foot when he passed me and he staggered but didn't fall. 他从我身边走过时我勾住了他的脚，他被绊了一个趔趄可并没摔倒。

Put your coat on the hook.

把你的外套放到挂钩上。

151. adequate a. 适当地；足够

The panda is an endangered species, which means that it is very likely to become ________ without adequate protection.（2006年6月17日大学英语四级(CET-4)真题试卷(A卷)）

A) intact

B) insane

C) extinct

D) exempt

152. adhere vi. 粘附，附着；遵守，坚持

We adhered to our original plan of swimming in spite of the bad weather.尽管天气恶劣，我们仍然坚持按预定计划游泳。

153. ban vt. 取缔，禁止

The police lifted the ban against parking in the street.

警方取消了不准在这条街上停车的禁令。

154. capture vt. 俘虏，捕获

They captured this city from the enemy last week.

他们上周从敌人手里夺取了这个城市。

155. valid a. 有效的，有根据的；正当的

Each of these philosophies is valid and, it has to be said, my son loves visiting his aunt’s house. （2008年12月大学英语四级考试真题）

156. valley n. 山谷，峡谷

In a mountain valley of Spain（2006年6月17日大学英语四级(CET-4)真题试卷(A卷)）

157. consistent a. 坚固定；一致的，始终如一的

Her parents’ consistent moral support （2006年6月17日大学英语四级(CET-4)真题试卷(A卷)）

158. continuous a. 继续的，连续（不断）的

Firstly, no accomplishment can be achieved in a short time, and success asks for continuous industrious work and efforts.

第一，没有任何成就是可以在短时间内达到的，而是需要持续的勤奋工作和努力。

159. continual a. 不断地，频繁的

Continual conflict among city-states caused the eventual decline of Greek civilization.城邦间不断的冲突导致了希腊文明最终的衰落。

160. explode v. 爆炸；爆发；激增

Something was ready to explode inside of her because she could not make people understand her.她的内心深处有什么东西要爆发，因为她的举止已难以让人理解。