人教版（2019）选择性必修第三册Unit3-Environmental Protection全单元课件(124张ppt)

(共124张PPT)
选择性必修3
Unit 3 Environmental protection
Words and Expressions
Page⑩2
1. graph n.图:图表:曲线图( pl. graphs
diagram[ daragraem]n简图;图解;图表;示意图
2, emission n,排放物;散发物;排放(pl. emIssions)
continued greenhouse gas emissions持续的温室气体排放
emit[i'mrtv.发出;射出;散发
give off F出;发出(光/热/声音/气体等)
give out发出(光/热/声音/体等)
3.melt- melted- meltedⅵi.&vt,(使融化;熔化;软化
a melting pot of different nationalities多民族的大熔炉
melt one' s heart使某人的心变软
4. starveⅵi,&ⅵt.(使)挨饿:饿死
starve to death饿死 be starved to death被饿死
starvation n.饥饿,饿死 starving ad.饥饿/挨饿的
be starving for sth渴望某事
5 seal n.海豹( pl. seals)印章;保证;密封处物垫;封条蜡
v.封上;密封;覆盖表面;确定;关闭;
seal sth(up/down)封上(信封) seal a contract订立合同
seal sth(up)( with sth)密封(容器)
6, ecology n.生态生态学/U/
ecologist n.生态学者;
ecologic adJ.
生态的,生态学的;
2
ecologically adv.从生态学的观点看
7, releaseⅵt.&n,排放;释放;发布
release sb/sth( from sth)释放放出/放走/免除解除/解雇
to release a movie/book/CD发行电影/书/激光唱片
release the tension in these shoulder muscles放松肩部肌肉
8, methane n,甲烷沼气/U/ produce methane gas产生沼气