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Toefl ibt internet based test 2006 - 2007 part 42 pdf

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MOOE1 TEST 3IREAOlNG SECTION 283 has some traces of water vapor in its atmosphere.. Even it life began there, no traces would be left now.. The surface of Titan is a low temperatures, so

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2&2 MORE MODEL TESTS

25 look at th e l our squares [ _ , that show wher e the f o l lowing senlence could be inserted i n the pa ssage

Some hl,torlans believe they can be established

Whe re could th e senlence best be added?

Click o n a squa re [ - I t o I n sert the sen t ence in lhe passage

26 Direction,: An introduction l o r a short summary 01 the passage appears below Complete the su mmary by selec tin g th e THREE ans w er choices thai menilon the m ost importan t points I n th e passage Some sen l ences do n t belong in the summary because they express ideas th ai are not incl uded in the passage o r Ih ey a r e minor points from the pa s-sage Thl question Is worth 2 pofnts

eert,ln qualities appear to dellne a civilization

Answer Choices

!AI Free citi zen s who work i n p r ofessions for

pay

(DJ A strategic loca tion near rivers or the sea IE] Organized r eligion, wri ting and art

!Bl Bureau cracies for the govern me nt a nd

armie s

ICl Ubraries to house art and written r ecords

1IatIIIJ,3 "Ut fn 0", SDIM S'ystlltn "

lEI A de n sely popula t ed group with a class structure

Although w e can ima gine l fe based on so m e th ing other than carbon c h

em-Is try , we know 01 no examples t o l ell u s how such lile might arise and survive

We mu s t limit o u r discussion to t i f e as we know it al'ld t he conditions it requires

The most important re quirement is the pr esence 0 1 liquid water, not only as pa rt

of the chemical rea ctio n s 01 lila, but a lso as a medium to tr anspo rt nutrients and

wa s tes w ithi n the organism

The water req uirement ~altYjeli m inates many worlds in our solar

system The moon is airless , and although some data sugges t ice frozen in

th e soil al ils poles, II has never had liquid water on ilS s urfa ce In the vacuu m

01 the luna r surface, liquid water would boil away rapidly Mer cury too is a irless

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MOOE1 TEST 3IREAOlNG SECTION 283

has some traces of water vapor in its atmosphere but it is much too hot for

when it was young they must have evaporated quickly Even it life began there,

no traces would be left now

they have moderate temperatures where water might condense Inlo liquid

regions of moderate temperature to other levels that are much too hot or too

cold for lfe to survive

IOf life Jupiter's moon Europa seems to have a liqUid-water ocean below its icy

bit-tioos 01 years needed lor lile to evolve beyond the microscopic stage lSI If

there may be unlikely beCause of the temperature The surface of Titan is a

low temperatures, so the chemical evolution needed to begin Iile may never

Mars AlH84001 Is important because a team of scientists studied it and

announced In 1996 that it contained chemical and physical traces 01 ancient life

on Mars

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284 MORE MOOEL TESTS

Spacecraft now visiting Mars may hetp us understand the past history of

water there and paint a more detailed picture of present conditions

Neverthe-less conclusive evidence may have to wait until a geologist in a space SlJlt

can wander the dry streambeds of Mars cracking open rocks and searching for

lossils

We are left to conclude that, so far as we know, our solar system is bare of

life except for Earth Consequently, our search for fife In the universe takes us

to other planetary systems

27 The word autQmatically in the passage is closest in meaning to

<D partially

<D actually

<D occasionally

CD naturally

28 Tho word iI in tho paes3go relors to

<D ice

<D soil

<0 moon

CD solar system

29 Which 01 the lollowing statements about the water on Venus is true?

<D The water evaporated because of the high temperatures

CD The water became frozen in the polar regions

<D Only a liHie water Is teft In smaJllakes on the surlace

CD Rain does not lall because there is no atmosphere

30 The word stable in the passage is closest in meaning to

<A> visible

<D active

<D constant

aD strong

31 What can be inferred from the passage about the Jovian plan ts?

CD Some 01 the Jovian planets may have conditions that could support lile

<D Jupiter is classilied as one 01 the Jovian planets

CD Europa is the largest of the moons that revolve around Jupiter

CD The orbits 01 the Jovian planets have changed over time

Malc'ltll chrancnv a' ~rTl prav~

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MOOEL TEST 3IflEADING SECTION 2S5

32 According to paragraph 5, why would life on Titan be improbable1

<D It does not have an ocean

a> 1\ is not a planet

CD It is too cold

aD It has a low atmosphere

Paragraph 5 is maf1(ed with an arrow ( -+ )

33 Which 01 the sentences below best exp r esses the information in the highlighted statement

in the passage? The other choices change the meaning or leave out important inlormation

<D life on Mars was lound as a result 01 research in many cases

a> The evidence did not clemonstrate that there was lile on Mars In the past

CD Many cases ollile were concluded in the history 01 Mars

aD The condusion was that only one instance of lfe on Mars was verified

34 The word originated in the passage is closest in meaning to

<D turned

CD begun

aD disappeared

35 Why does the auth r mention the meteorite ALH84001 in paragraph 61

<D Because it was lound in Antarctica aboulfifty years ago

<D Because it was evidence 01 a recenl impact on Mars

CD Because scientists thought that it contained evidence 01 life on Mars

aD BlKause the meteorite prObably came Irom Mars a long time ago

Paragraph 6 is maf1(ed with an arrow 1-+ ]

36 How will scientists conlirm the 8)(istence ollile on Mars?

<D By sending unmanned spacecraft to Mars

CD By looking at fossils on Mars

CD By viewing pictures taken of Mars

(1) By studying the present conditions on Mars

37 Which 01 the lollowing statements most accurately reflects the author's opinion about ~fe

in our solar system1

CD Life is probably limited to planets In the Inner solar system

<D There is a large body of evidence supporting life on Mars

CD There is little probability of life on other planets

We should explore our solar system lor conditions thaI support lile

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288 MORE MODEL TESTS

38 Look at the four squares [- 1 tha show where the following sentence could be Inserted in

the passage

Such periods of freezIng would probably prevent life from developing

Where could the sentence best be added?

Click on a square ,_ J to Insert the sentence In the passage

39 Directions: An introduction lor a short summary 01 the passage appears below Complete

the summary by selecting the THREE answer choices that mention the most Important

points in the passage Some sentences do not belong In the summary because they

express ideas that are not included in the passage or are minor points from the passage

This qlJ6stlon I worth 2 points

Cunent evidence does not support tn theory of life In our solar system

Answer Choices

IAJ The meteorite that was discovered in the

Antarctic in the 1980s was thought to

contain evidence of early life on Mars,

but it was later disputed

[BJ The planet that has the greatest proba

-bility for life in the past or now is Mars,

but more investigation is required to

draw conclusions

ICJ Europa has an ocean under the Ice on

the surface 01 the moon, which may

con-tain the chemical combinations required

for lile to evolve

!DJ Although some of the moons that revolve around Saturn and Jupiter haye condi-tions that might support IIle, the evidence contradicts this poSSibility

lEI Other planetary systems must have lile thaI is similar to that which has evolved

on Earth because of the principles of car

-bon chemistry [EJ It is 100 h t for life on the planets near Ihe Sun in the Inner sotar system and too cold on the planets most removed from the Sun in the outer solar system

Malc'ltll chrancnv a' ~rTl prav~

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MOOEl TEST 3ILISTENING SECTION 281

LISTENING SECTION

o Model Test 3, listening Section, CO 5, Track 5

The Ustening section tests your ability 1 0 understand spoken English that Is typical of

interac-tions and academ ic speech on college campuses During the t est , you will respond t o conver ·

sations and lec1ures

Th i s is the long lonnat for the Ustening sectio n , On the long format , you wi ll r espond to t hree

conversations and six lectures After eactllistening passage , you will answer 5-6 ques tio ns

about it Only two conversations and lour lec1ures wiU be graded The o ther conversation and

lectures a fe part of an experimental section for Mure tests Because you wil l not know which conversations and lectures wi l l be graded, you mu st tty to do your besl on a ll of them

You will hear each conversation or lecture one l me You may lake notes whi l e you listen , but

notes are not graded You may use your notes to answer the questions

Choose the best answer for multiple-choice questions F ollow the d i r ections on the page or on the screen lor computer · assisted questions Click on Next and OK to go to the neX! quest ion

You cannot retum to previou s questions You have 20-30 minutes to answer all 01 the

ques-tions A clock on the screen will show you how much lime you have t o complete your answers 10f the section The clock does not coun t the time you are listening to the conversations and lec1ures

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268 MORE MooEL TESTS

PART I

Ust",llJ, 1 " 5tJldtnlts till t:.npus"

1 What are the students mainly discussing?

CD Groop sessions In the Off i ce of Career Development

CD Th e advantages of career counseling f or the man

a:> The woman's Internship in t he OffICe o f Caree r O evelopment

aD How to find employment i n the f ield of career counseling

2 What is the man ' s problem?

([l H e does n ot have l ime to see an advisor

CD He does n ot have an i n ternship yet

a:> He does not know wh i c h ca r eer to choose

aD H e does not have a;ob oHer after graduation

CD To demonstrate th e benefits of going to the QHice of Career Development

CD To encourage the man to talk with an advisor about an intemsh i p

a:> To suggest that he change h i s major from math to library science

aD To give t h e ma n her opinion abou t his caree r decis i on

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