人教版高一英語必修三專題之 單元整合 學(xué)案：Unit4 Astronomy：the science of the stars.doc

單元整合課標(biāo)要求重點(diǎn)單詞1_ n天文學(xué)2_ n系統(tǒng)；體系；制度3_ n宗教；宗教信仰4_ n學(xué)說；理論5_ n原子6_ pron& n& adj萬億；十億7_ n球體；地球儀；地球8_ adj猛烈的；激烈的；強(qiáng)暴的9_ n碳10_ n大氣層；氣氛11_ prep與不同；不像12_ adj基本的；基礎(chǔ)的13_ adj有害的14_ n酸15_ n鏈子；連鎖；鎖鏈16_ vi& vt乘；增加17_ n氧18_ vi存在；生存19_ adv因此；于是20_ n二氧化物21_ n謎；難題vt& vi（使）迷惑；（使）為難22_ n生物學(xué)23_ n生物學(xué)家24_ n萬有引力；重力25_ n衛(wèi)星；人造衛(wèi)星26_ adj溫和的；文雅的27_ n物理學(xué)家28_ n氣候29_ vi& vt碰撞；墜落30_ n宇宙飛船31_ n& vt拉（力）；拖；牽引力32_ vi& vt（使）浮動(dòng)；（使）漂浮n漂浮物重點(diǎn)短語1_太陽系2_及時(shí)；終于3_下蛋4_產(chǎn)生；分娩5_輪到某人；接著6_ 二氧化碳7_阻止；制止8_擋往（光線）9_感到高興；感到振奮10_既然11_突發(fā)；爆發(fā)12_密切注意；當(dāng)心；提防重點(diǎn)句型1.as a result of this，many scientists believe the earth may become _.許多科學(xué)家認(rèn)為地球可能會(huì)因此變得太熱而不適合生物生存。2but when i tried to step forward，i found i was carried _ on the earth and fell over.但是當(dāng)我試著向前邁步的時(shí)候，我發(fā)覺我被送出去很遠(yuǎn)，步子的跨度竟是在地球上的兩倍，因而我摔倒了。3.walking does need a bit of practice _ gravity has changed.重力改變了，看來走路也的確需要練一練了。重點(diǎn)語法noun clauses as the subject主語從句1_ it was to become was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe.2_ many scientists believe is that the continued presence of water allowed the earth to dissolve harmful gases and acids into the oceans and seas.3so _ life will continue on the earth for millions of years to come will depend on whether this problem can be solved.功能instructions（指示）1please pay attention to.請(qǐng)注意2please check that.請(qǐng)核實(shí)3please look at.請(qǐng)看4make sure that.務(wù)必5dont forget to.不要忘記6watch out for.當(dāng)心7you need to.你需要8youd better.你最好9you must/mustnt.你必須/一定不要參考答案重點(diǎn)單詞：1astronomy2system3religion4theory5atom6billion7globe8violent9carbon10atmosphere11unlike12fundamental13harmful14acid15chain16multiply17oxygen18exist19thus20dioxide21puzzle22biology23biologist24gravity25satellite26gentle27physicist28climate29crash30spaceship31pull32float重點(diǎn)詞組：1solar system2in time3lay eggs4give birth to5in ones turn6carbon dioxide7preventfrom8block out9cheer up10now tha