教学内容：Fact and fantasy
after heavily losing the election, the party threw their leader overboard.
该党惨败落选后罢免了党魁。
8. submarine [ s bm ′ri n] n. naval vessel that can operate underwater welll as on the surface 潜水艇 eg:
a submarine travels under the surface of the sea.潜水艇在海面下行驶。
9. permanent [′p m n nt] adj.
①lasting or expected to last for a long time or for ever 永久的；永恒的；长久的；长期的 eg:
she is looking for permanent employment.她正在找固定的工作。
②not likely to change 不大可能改变的 eg:
she wrote down my permanent address. 她写下了我的固定地址。
10. guest [gest]
(1)n. person invited to visit one’s house or being entertained at one’s expense宾客；客人 eg:
we are expecting guests this weekend. 我们本周末要来客人。
(2)n. person staying at a hotel, boarding house, etc.住在旅馆、寄宿处等的人；旅客 eg:
this hotel has accommodation for 500 guests.
这旅馆能接待500位客人。
(3)客座教授 eg:
professor wang, our guest tonight, will give us a speech on dna.
我们的客座教授王教授，今晚要给我们作一个关于dna的演讲。
(4)v. appear as a guest on a television or radio programme（在电视或广播节目中）客串 eg:
she often guests on a radio programme.她经常在一个广播节目中客串。
11. voyage [′v iid ] (1)n. long journey, esp. by sea or in space 航行；（尤指）航海，航天 eg:
they made a voyage across the atlantic.
他们作了一次横越大西洋的航行。
(2)v. go on a voyage; travel 航行；航海；航天飞行 eg:
a plane crashed down when it voyaged through space.
一架飞机作航天飞行时坠毁了。
(3)voyager [′v iid ] n. 航行者；航海者；航天者
12. aboard [ ′b d] adv. on or into a ship, an aircraft, a train or (esp. u.s.) a bus在船（或飞机、车）上；上船；登机 eg:
we went aboard. 我们上了船。
13. prisoner [′priz n ]n.
①person kept in prison, as a punishment or awaiting trial犯人；囚犯 eg:
he was kept as a prisoner.他作为一个囚犯被关了起来。
②person that has been captured被抓起来的人；俘虏；失去自由的人 eg:
you are our prisoner now.你现在是我们的俘虏了。
14. gentle [′d entl] adj. mild; kind; careful; not rough, violent or severe 温和的；慈祥的；小心的；温柔的；文雅的；轻轻的 eg:
i met a gentle old woman yesterday. 我昨天遇到了一个慈祥的老太太。
15. extinct [ik′sti kt] adj. ①(esp. of a type of animal, etc.) no longer in existence（尤指某种动物等）不再存在的；绝种的；灭绝的 eg:
if we continue to destroy the countryside, many more animals will become extinct. 我们若继续破坏乡村环境，将会有更多的动物绝种。
②(fire or hope) ge out（火，希望等）熄灭了的 eg:
the fire was extinct.火灭了。
16. layer [′lei (r)] n. ① thickness of material (esp. one of several) laid over a surface or forming a horizontal division层（尤指数层之一） eg:
