15. connect v. 连接connection n. 连接，关系1）the bridge connects the island with / to the mainland.（这座桥接连着这个岛屿与大陆。）2）Please connect me with Shanghai.（请给我接通上海...
8. After hospitals buy the expensive equipment that is necessary for modern heart surgery， they must try to recover the money they have spent.本句中的equi...
Text A Panic and Its Effects本课主要单词1.panic vi. 恐慌，惊慌n. 恐慌，惊慌panic-stricken adj. 惊慌失措的1）The crowd panicked at the ringing of the siren.（听到警报器响，人群惊慌失措。）2...
15.claim v. 声称，主张；对提出要求，索取 n. 主张；断言1）One organization has claimed responsibility for the bombing.（已有一个组织声称这次爆炸是他们干的。）2）She claimed to have told the tr...
5.A person seized by a panic attack may show all or as few as four of these symptoms.请注意本句中seize这个动词的词意及用法。1）抓住；抓住（时机等），利用The police seized him by the...
Text A Why Are Maps Drawn with North at the Top？本课主要单词1.feature n. 特征，特色；面貌，相貌 vi. 是的特色，以为特色 vi. 重要作用；作为主要角色1）The most important feature of our work i...
18.rightful adj. 合法的；正义的；正当的请注意区别right和rightful.Right强调同事实没有偏差，rightful指事物符合道德或法律的约束。1）He regained his rightful place on the English throne.（他恢复了应属于他的...
7. The reason for this was that he decided to orientate the map in the direction of the pole star since Polaris was the immovable guiding light in whi...
Text A Animals at Risk：Who Cares？本课主要单词1.Species n.（单复数同形）种，类1）There are more than 250 species of shark in the world.（世界上有250多种鲨鱼。）2）Darwin wrote The ...
15.Seal n. 海豹；印章v. 封口1）Many Canadian seals wore killed to reduce the numbers to help the species to survive.（大量的加拿大海豹被猎杀是为了减它们的数量使该物种幸存下来。）2）The docum...