2013年12月六级英语考试在即，环球博海四六级小编特为同学们搜集了英语六级听力词汇，下面是2013年12月英语六级考试听力必备300词汇(17)，希望能够更好的帮助同学们备考，祝大家在四六级考试中取得理想成绩。

　　161. demonstrate证明 显示 展示

　　Drugs are approved only after tests have demonstrated that they are relatively safe when use as directed, and when their benefits outweigh their risks.

　　162. dental牙齿的 牙科的

　　What kind of food is most likely to cause dental decay?

　　163. dentist牙科医生

　　I need to find a dentist; you said you know Doctor Smith Well, do you recommend her?

　　Well, I had to see her a few times, but what impressed me most is the magzines in her waiting room.

　　164. depart离去 出发 背离 违反

　　Ladies and gentlemen, we’ve commenced our descent in the Sydney Airport and we will depart the terminal building about 30 minutes from now.

　　165. department部 部门 系

　　The report says all the departments are making a profit except the Asian Department.

　　Well, Mr.smith seems to be the wrong person to head that department, One more step wrong, and he would be removed from that office.

　　166. departure离开 出发 背离 违反

　　I’d like to remind you when you leave Sydeny airport on the next international flight, you will berequired to pay a departure tax of 10 dollars.

　　167. depend依赖 决定于

　　If the earth gets hotter in new century, what will happen to animals and the plants which animals depend on for survival?

　　168. deputy副职 副手

　　Just the deputy governor of the prison said, we try to preserve the prisoners respect as much as possible by imaging ourselves in their prison. His words explained why this new prison is run in unique way.

　　169. descend下来 下降

　　So the pilot did descend to the wrong altitude then, because they were following the air controllers’ instructions.

　　170. description描写 形容 种类 性质

　　Your description is to be no more than 1 A4 page in length.

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