m5u2上课用词汇讲解VIP专享

M5U2 The Environment词汇学习1. economy n.经济, 节约,理财economic adj.经济上的 ;经济学的economic depression 经济衰退economical adj.节俭的,合算的,经济的economically adv.节 约地, 节省地economics n. 经济学1economist n.经济学者,经济家n. +-ic/ical→adj.economy(n. )+-ic→economic(adj. )经济的【类记】electricity(n.)电→_______(adj. )电的science(n.)科学→________(adj. )科学的medicine(n.)医学→_______(adj. )医学的2Electricscientificmedical2.(1)debateon/over/aboutsth.关于某事的讨论(2)under debate正 在讨论中我 和 约 翰 辩 论 了 这 个 问题。I______________________t3he question.debate with sb upon/about(3)debate +从句Scientistsweredebatingwhether an asteroid wasabout to hit the Earth.3.open the floor 自由发言have/get/obtain the floor有/取得发言权take the floor上台发言Then we will open thefloor for discussion.4之 后 我 们 将 展 开 自 由 讨论。4. flow vi. 流, 流动; 流畅地进行n. 流动; 连贯①Rivers flow into the sea.②Water flows to the lowestlevel.泪从他眼里流出Traffic ~s along the streetall day.街上的来往车辆整天川流5不息n．(U)the ~ of a river 河水的流动a ~ of conversation 滔滔不绝的谈话3.a sense of dutyon/off duty值班/下班(值勤/不值勤)It is sb’s duty to do sth.做某事是某人的责任H e did his work out of asense of duty.6他出于责任感而工作。It is our duty to defend ourcountry.保卫国家是我们的义务。As the busiest woman inNorton, she made ither duty to look after all theother people’saffairs in that town.4. cut back（on）减少，削减，缩减=cut down on7to cut back on spending削减开支拓展：①If we don’t sell more we’llhave to cut backproduction.②They cut down the bigtree.他们把这棵大树砍倒了。③Don’t cut in when othersare talking.别人说话时别插话。8④We were cut off in themiddle of our telephoneconversation.我们在电话里谈话谈了一半就被切断了。⑤You should cut out theunimportant details.你应当删除这些不重要的...