unit3_I_have_seen_amazing_things_课文详解

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1、Whatwouldyoudoifyoufoundyourselfaloneonadesertisland？如果你发现你独自一人在一个荒岛上，你将怎样做呢？本句为与现在事实相反的虚拟语气条件句，主句谓语动词用“should/would/could/might＋动词原形”，从句谓语动词用动词的过去式(be动词用were)。,虚拟语气条件句的其他两种情况为：(1)与过去事实相反的假设。主句谓语动词用“should/would/could/might＋have＋过去分词”，从句谓语动词用“had＋过去分词”。(2)与将来事实相反的假设。主句谓语

2、动词用“should/would/could/might＋动词原形”，从句谓语动词用“should/wereto＋动词原形”或直接用动词的过去式(be动词用were)。werewerewerewere①IfI________(be)you,Iwouldstudyhardertoachievemydream.②Ifithadnotbeenforyourhelp,wecouldnot___________(finish)theworkaheadoftime.③Ifit________(be)raintomorrow,thesportsmee

3、tingwouldbeputoffhavefinishedweretowereStarsentences:Findandtranslatethem.Myfirstvisitwastoaspacestationconsideredthemostmoderninspace.2.Describedasanenormousroundplate,itspinsslowlyinspacetoimitatethepulloftheearth’sgravity.3.Istaredatthemovingmodelofthewastemachine,abs

4、orbedbyitsefficiency.4.Well,nowthere’sasystemwherethewasteisdisposedofusingtheprincipleofecology.Myfirstvisitwastoaspacestationconsideredthemostmoderninspace.2.Describedasanenormousroundplate,itspinsslowlyinspacetoimitatethepulloftheearth’sgravity.3.Istaredatthemovingmod

5、elofthewastemachine,absorbedbyitsefficiency.4.Well,nowthere’sasystemwherethewasteisdisposedofusingtheprincipleofecology.我首先参观的是一个太空站，这个站被认为是太空中最现代化的地方。太空站像一个巨大的圆盘，在太空中缓缓地旋转，以仿照出地球重心的引力。我注视着缓缓移动的垃圾分解机器模型，为它的成效所吸引。可现在我们有一种装置，能利用生态学原理来处理掉废弃物。Myfirstvisitwastoaspacestationco

6、nsideredthemostmoderninspace.我首先参观的是被认为太空中最现代的太空站aspacestationconsideredthemostmoderninspace过去分词作后置定语可以扩充为定语从句=aspacestation___________________themostmoderninspace.whichwasconsideredDescribedasanenormousroundplate,itspinsslowlytoimitatethepulloftheearth’sgravity.(过去分词伴随作

7、状语)=______________describedasanenormousroundplate,_____itspinsslowlytoimitatethepull…gravity.(be)describedas…像…,被描绘成…enormous:huge,largeorgiant庞大的thepullof……拉力theearth’sgravity地心吸引力ItwasandInsidewasanexhibitionofthemostup-to-dateinventionsofthe31stcentury.(教材P22)太空站里展出了3

8、1世纪一些最前沿的发明。本句为一个完全倒装句。正常语序为“Anexhibitionofthemostup-to-dateinventionsofthe31stcenturywasinside.”。表示方位的