Unit4 Globalwarming
單元要覽本單元的中心話題是人類當今面臨的環境問題,主要探討了“全球變暖”和“節約能源”等方面的問題。由于人類過多使用不可再生能源,大氣中二氧化碳的含量逐年增加,導致全球氣溫上升。通過學習本單元,讓學生了解能源分為“不可再生能源”和“可再生能源”,幫助學生樹立“節約能源、保護環境”的主人翁意識。本單元的主要教學內容如下表所示:
類別
課程標準要求掌握的內容
話題
global warming,pollution and the importance of protecting the earth
[來源:學|科|網]
[來源:第一范文網]
[來源:學_科_網z_x_x_k]
[來源:第一范文網]
詞
匯
tend[來源:學|科|網]
v.趨向;易于;照顧
catastrophe
n.大災難;浩劫
oppose
v.反對;反抗;與(某人)較量
flood
n.洪水;水災
state
v.陳述;說明
consequence
n.結果;后果;影響
glance
v.看一下;掃視 n.一瞥
existence
n.生存;存在
quantity
n.量;數量
commitment
n.承諾;交托;信奉
range
n.種類;范圍
pollution
n.污染;弄臟
tendency
n. 趨向;趨勢
growth
n.增長;生長
circumstance
n.環境;情況
motor
n.發動機
opposed
adj.反對的,對立的
can
n.容器;罐頭
steady
adj. 平穩的;持續的
microwave
n.微波爐;微波
widespread
adj.分布廣的;普遍的
educator
n.教育工作者;教育家
average
adj.平均的
contribution
n.貢獻
consume
v.消費;消耗;耗盡;吃完
presentation
n.顯示;演出
subscribe
v.同意;捐贈;訂閱
disagreement
n.分歧;不一致
advocate
v.擁護;提倡;主張
random
adj.胡亂的;任意的
refresh
v. 使恢復;使振作
mild
adj.溫和的;溫柔的;淡的
graph
n.圖表;坐標圖;曲線圖
outer
adj.外部的
phenomenon
n.現象
electrical
adj.電的;與電有關的
fuel
n.燃料
casual
adj.隨便的;偶然的
data
n.資料;數據
nuclear
adj.核的;核能的
trend
n.趨勢;傾向
per
prep.每;每一
come about 發生; keep on 繼續 subscribe to 同意;贊成;訂購 on the whole 大體上;基本上 quantities of 大量的 on behalf of 代表……一方;作為……的代言人 go up 上升;增長;升起 put up with 忍受;容忍 result in 導致 so long as 只要 be opposed to 反對 and so on 等等 even if 即使 greenhouse effect 溫室效應 句 型 1....it_is human activity that has caused this global warming... (emphatic “it”) 2....it is a rapid increase when_compared_to other natural changes.(ellipsis) 3.there is no doubt that_the_earth_is_becoming_warmer...(the appositive clause) 4.without the “greenhouse effect”,the earth would_be about thirty-three degrees celsius cooler than it is.(the subjunctive mood) 功 能 1.同意與不同意(agreement and disagreement) exactly.you're right. i agree. that's correct/true/right. i'm afraid i disagree with you. i'm afraid not. i don't think so. no way. i don't agree. i doubt... 2.責備與抱怨(blame and complaint) i'm sorry to bring this up,but... i'm sorry to have to say this,but... they shouldn't have done it. they are to blame.