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7.双胞胎之一 a.t _ __ _ _ _ _ _
8.同伴，同事 n.c _ __ _ _ _ _ _
9.人类 n.m _ _ _ _ _ _ _ _
10.推测，猜测 n.s _ __ _ _ _ _ _
11.吞 v.s _ _ _ _ _ _ _ _
12.不充分的 a.i _ _ _ _ _ _ __
13.物质 n.m _ _ _ _ _ _ _ _
14.情况，环境 a.c _ __ _ _ _ _ _
15.发生，出现 v.o _ __ _ _ _ _ _
16.强烈的 a.i _ _ _ _ _ _ __
17.证据n.e _ _ _ __ _ _ _
18.看不见的 a.i _ _ _ _ _ _ __
19.宇航员 n.a _ _ _ _ _ _ __
20.热带的 a.t _ _ _ _ _ _ __
Ⅱ.Word Form
1.Supernovae____(report) byastronomers in the seventeenth and eighteenth centuries.
2.Imagine the earth reduced to thesize of a marble, but still____(have) the same mass, and you have some idea ofthe force of a black hole.
3.If one____(make) a journey overthe Continents one would find every kind of surface including mountain ranges,plains, and empty areas covered permanently by ice and snow.
4.And astronomers are planning anew observatory to study the individual exploding stars____(believe) to beblack holes.
5.Matter from the one which we cansee____(pull) towards the companion star.
6.There might be a massive blackhole at the centre of our galaxy____(swallow) up stars at a very rapid rate.
7.The most____(convince) evidenceof black holes comes from research into binary star systems.
8.They show us a world whichoperates in a ____(total) different way from our own.
9.The surface of someareas____(consist) largely of high mountains and deep valleys.
10.Our world is the home of a verygreat many different people-peoples with different____(colour)skins.
Ⅲ.Vocabulary and Structure
1.Astronomers and scientists thinkthat a black hole is a region of space (not a thing)____which matter has fallenand____which nothing can escape-not even light.
[A] into into
[B] into from
[C] from into
[D] from from
2.This process of shrinking may beso intense____a black hole results.
[A] whether
[B] what
[C] which
[D] that
3.Binary stars,____theirname suggests, are twin stars whose position in space affects each other.
[A] as
[B] that
[C] what
[D] if
4.In some binary systems,astronomers have shown that there is an invisiblecompanion star, a 'partner' to____which we can see in the sky.
[A] the one
[B] that
[C] the ones
[D] those
5.On the other hand, scientistshave suggested that very advanced technology could one day____theenergy of black holes for mankind.
[A] make fun of
[B] make sure of
[C] make use of
[D] make sense of
6.Astronomers have evidence of afew other stars too, which might have black holes as____.
[A] companies
[B] comparisons
[C] compounds
[D] companions
7.The earth is one of nine planetswhich move in____round the sun.
[A] track
[B] orbit
[C] tour
[D] route
8.In August 1977, a satellite was____to gather data about the black holes in the Milkyway.
[A] posted
[B] delivered
[C] launched
[D] transmitted
9.The terms we would normally useto describe a scientificphenomenon are____here.
[A] inadequate
[B] invisible
[C] intense
[D] individual
10.We know nothing about eventswhich happen once objects pass this boundary, But____,mattermust behave very differently inside the hole.
[A] in addition
[B] in person
[C] in detail
[D] in theory
Ⅳ.C-E Translation
1.这个收缩的过程如此强烈，以至于黑洞产生了。
2.直到最近天文学家们才开始研究黑洞。
3.但是从理论上说，物质在黑洞里的行为一定非常不同。
4.黑洞最强有力的证据来自对双星系的研究。
5.有一天也许人类也会遭此命运。
单元自测答案 Unit 2
Ⅰ.Word Spelling
1.density 2.collapse 3.boundary
4.constant 5.basis 6.launch
7.twin 8.companion 9.mankind
10.speculation 11.swallow12.inadequate
13.matter 14.circumstance 15.occur
16.intense 17.evidence 18.invisible
19.astronaut 20.tropical
Ⅱ.Word Form
1.were reported 2.having 3.made
4.believed 5.is being pulled6.swallowing
7.convincing 8.totally 9.consists
10.coloured
Ⅲ.Vocabulary and Structure
1.B 2.D 3.A 4.A 5.C
6.D 7.B 8.C 9.A 10.D
Ⅳ.C-E Translation
1.This process of shrinking is sointense that a black hole results.
2.It is only recently/It is notuntil recently that astronomers have begun specificresearch into black holes.
3.But in theory, matter mustbehave very differently/in a very different manner inside the black hole.
4.The most convincing evidence ofblack holes comes from research into binary star systems.
5.Mankind may one day meet this fate.
8.同伴，同事 n.c _ __ _ _ _ _ _
9.人类 n.m _ _ _ _ _ _ _ _
10.推测，猜测 n.s _ __ _ _ _ _ _
11.吞 v.s _ _ _ _ _ _ _ _
12.不充分的 a.i _ _ _ _ _ _ __
13.物质 n.m _ _ _ _ _ _ _ _
14.情况，环境 a.c _ __ _ _ _ _ _
15.发生，出现 v.o _ __ _ _ _ _ _
16.强烈的 a.i _ _ _ _ _ _ __
17.证据n.e _ _ _ __ _ _ _
18.看不见的 a.i _ _ _ _ _ _ __
19.宇航员 n.a _ _ _ _ _ _ __
20.热带的 a.t _ _ _ _ _ _ __
Ⅱ.Word Form
1.Supernovae____(report) byastronomers in the seventeenth and eighteenth centuries.
2.Imagine the earth reduced to thesize of a marble, but still____(have) the same mass, and you have some idea ofthe force of a black hole.
3.If one____(make) a journey overthe Continents one would find every kind of surface including mountain ranges,plains, and empty areas covered permanently by ice and snow.
4.And astronomers are planning anew observatory to study the individual exploding stars____(believe) to beblack holes.
5.Matter from the one which we cansee____(pull) towards the companion star.
6.There might be a massive blackhole at the centre of our galaxy____(swallow) up stars at a very rapid rate.
7.The most____(convince) evidenceof black holes comes from research into binary star systems.
8.They show us a world whichoperates in a ____(total) different way from our own.
9.The surface of someareas____(consist) largely of high mountains and deep valleys.
10.Our world is the home of a verygreat many different people-peoples with different____(colour)skins.
Ⅲ.Vocabulary and Structure
1.Astronomers and scientists thinkthat a black hole is a region of space (not a thing)____which matter has fallenand____which nothing can escape-not even light.
[A] into into
[B] into from
[C] from into
[D] from from
2.This process of shrinking may beso intense____a black hole results.
[A] whether
[B] what
[C] which
[D] that
3.Binary stars,____theirname suggests, are twin stars whose position in space affects each other.
[A] as
[B] that
[C] what
[D] if
4.In some binary systems,astronomers have shown that there is an invisiblecompanion star, a 'partner' to____which we can see in the sky.
[A] the one
[B] that
[C] the ones
[D] those
5.On the other hand, scientistshave suggested that very advanced technology could one day____theenergy of black holes for mankind.
[A] make fun of
[B] make sure of
[C] make use of
[D] make sense of
6.Astronomers have evidence of afew other stars too, which might have black holes as____.
[A] companies
[B] comparisons
[C] compounds
[D] companions
7.The earth is one of nine planetswhich move in____round the sun.
[A] track
[B] orbit
[C] tour
[D] route
8.In August 1977, a satellite was____to gather data about the black holes in the Milkyway.
[A] posted
[B] delivered
[C] launched
[D] transmitted
9.The terms we would normally useto describe a scientificphenomenon are____here.
[A] inadequate
[B] invisible
[C] intense
[D] individual
10.We know nothing about eventswhich happen once objects pass this boundary, But____,mattermust behave very differently inside the hole.
[A] in addition
[B] in person
[C] in detail
[D] in theory
Ⅳ.C-E Translation
1.这个收缩的过程如此强烈，以至于黑洞产生了。
2.直到最近天文学家们才开始研究黑洞。
3.但是从理论上说，物质在黑洞里的行为一定非常不同。
4.黑洞最强有力的证据来自对双星系的研究。
5.有一天也许人类也会遭此命运。
单元自测答案 Unit 2
Ⅰ.Word Spelling
1.density 2.collapse 3.boundary
4.constant 5.basis 6.launch
7.twin 8.companion 9.mankind
10.speculation 11.swallow12.inadequate
13.matter 14.circumstance 15.occur
16.intense 17.evidence 18.invisible
19.astronaut 20.tropical
Ⅱ.Word Form
1.were reported 2.having 3.made
4.believed 5.is being pulled6.swallowing
7.convincing 8.totally 9.consists
10.coloured
Ⅲ.Vocabulary and Structure
1.B 2.D 3.A 4.A 5.C
6.D 7.B 8.C 9.A 10.D
Ⅳ.C-E Translation
1.This process of shrinking is sointense that a black hole results.
2.It is only recently/It is notuntil recently that astronomers have begun specificresearch into black holes.
3.But in theory, matter mustbehave very differently/in a very different manner inside the black hole.
4.The most convincing evidence ofblack holes comes from research into binary star systems.
5.Mankind may one day meet this fate.
- planet [´plænit]
n.行星 (初中英语单词) - system [´sistəm] n.系统，体系，制度 (初中英语单词)
- working [´wə:kiŋ] a.工人的；劳动的 (初中英语单词)
- mystery [´mistəri] n.神秘；秘密；故弄玄虚 (初中英语单词)
- whereas [weər´æz] conj.鉴于；因此；而 (初中英语单词)
- affect [ə´fekt] vt.影响；感动；假装 (初中英语单词)
- climate [´klaimit] n.气候；特殊气候地带 (初中英语单词)
- vegetable [´vedʒtəbəl] a.&n.蔬菜(的)；植物 (初中英语单词)
- learning [´lə:niŋ] n.学习；学问；知识 (初中英语单词)
- measurement [´meʒəmənt] n.测量；尺寸；宽度 (初中英语单词)
- swallow [swɔləu] n.燕子 v.吞，咽；淹没 (初中英语单词)
- operate [´ɔpəreit] v.(使)运转；操作；经营 (初中英语单词)
- research [ri´sə:tʃ] n.&vi.调查；探究；研究 (初中英语单词)
- advanced [əd´vɑ:nst] a.先进的；高级的 (初中英语单词)
- beginning [bi´giniŋ] n.开始，开端；起源 (初中英语单词)
- fearful [´fiəfəl] a.可怕的；担心的 (初中英语单词)
- marble [´mɑ:bəl] n.大理石 a.大理石的 (初中英语单词)
- companion [kəm´pæniən] n.同伴；同事；伴侣 (初中英语单词)
- invisible [in´vizəbəl] a.看不见的；无形的 (初中英语单词)
- scientific [,saiən´tifik] a.科学(上)的 (初中英语单词)
- boundary [´baundəri] n.界线，边界 (初中英语单词)
- behave [bi´heiv] v.举止；表现；举止端正 (初中英语单词)
- specially [´speʃəli] ad.专门地；特别地 (高中英语单词)
- whilst [wailst] conj.当…时候；虽然 (高中英语单词)
- massive [´mæsiv] a.厚实的；魁伟的 (高中英语单词)
- tropical [´trɔpikəl] a.热带地区的 (高中英语单词)
- learned [´lə:nid] a.有学问的，博学的 (高中英语单词)
- collapse [kə´læps] vi.&n.崩溃；病倒；衰败 (高中英语单词)
- launch [lɔ:ntʃ] vt.发动 n.发射；汽艇 (高中英语单词)
- specific [spi´sifik] a.具体的；特有的 (高中英语单词)
- speculation [,spekju´leiʃən] n.思索，推测；投机 (高中英语单词)
- phenomenon [fi´nɔminən] n.现象；奇迹；珍品 (高中英语单词)
- differently [´difrentli] ad.不同地，有差别地 (高中英语单词)
- vegetation [,vedʒi´teiʃən] n.植物；生长 (英语四级单词)
- permanently [´pə:mənəntli] ad.永久地；持久地 (英语四级单词)
- texture [´tekstʃə] n.(织物等的)质地 (英语四级单词)
- convincing [kən´vinsiŋ] a.有说服力的；有力的 (英语四级单词)
- totally [´təutəli] ad.统统，完全 (英语四级单词)
- unlikely [ʌn´laikli] a.不像的；未必可能的 (英语六级单词)
- satellite [´sætəlait] n.(人造)卫星；随从 (英语六级单词)
- density [´densiti] n.浓(稠)密；密度 (英语六级单词)
- observatory [əb´zə:vətəri] n.天文台；气象台 (英语六级单词)
- august [ɔ:´gʌst] a.尊严的；威严的 (英语六级单词)
- normally [´nɔ:məli] ad.正常情况下；通常 (英语六级单词)
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文章标签:学英语 大学英语
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