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A Star Is Born

1 The VLT(Very Large Telescope)is the world's largest telescope(望遠鏡)and is taking astronomers(72文學家)further back to the Big Bang than they ever thought possible.Located 2,600 metres up io the Chilean Andes，it has four huge mirrors，each about the size of a London bus.The VLT is SO powerful it Can spot a burning match 10.000 kilometres away.

2 This astonishing power will allow astronomers to see events in space from the birth of stars to the collision(碰撞)of galaxies(星系)on the edge of the cosmos(宇宙).The VLT is giving astronomers their best-ever view of the cosmos.The power of the VLT to see the smallest detail at the furthest distances makes its designers amazed.

3 Take the case of Eta Carinae，one of the most explosive stars in the universe.This star produces ultraviolet laser rays(紫外線)and it will destroy itself in a few million years'time.It is five times brighter than the sun and when it explodes it is going to be a sight worth waiting for 1

4 But it is at distances of millions，even billions，of light years that the VLT really shows its power.The VLT can detect light that set out on its journey before the earth even existed.This gives astronomers their first—ever detailed views of events that took place in the earliest days of the cosmos.

5 In other words.the VLT is a kind of a time machine.It takes astronomers back to a time when complete galaxies crashed into each other.The effects of these past collisions Can now be seen by scientists，and astronomers believe the telescope will reveal more about these exciting events in the years to come.One day, we might be able to say we have traveled back to the beginning of time，and we will have a much clearer picture of how our planet was born.

23 Paragraph 1___________.

24 Paragraph 2___________.

25 Paragraph 3___________.

26 Paragraph 4___________.

A Enents That Took place Before the Earth Existd

B Power of the Telescope

C Details of Eta Carinae

D Invention of a Time Machine

E Biggest Telescope

27 The VLT will allow scientists to see events___________.

28 The designers of the VlT are surprised at___________.

29 Eta Carinae is taken___________.

30 Scientists believe the VLT will tell us more about___________.

A its detecting power

B millions of light years away in space

C the location of the VLT

D as an example

E the birth of the earth

F the rotation of the earth

答案:

23 E 文章第一段主要介紹的是世界上最大的望遠鏡的大小，故E為正確答案。

24 B 文章第二段主要介紹了LTV的功能有多大，故B為正確答案。

25 c 文章第三段介紹了Eta Carinae的情況，故c為正確答案。

26 A 文章第四段的主要意思體現在最后一句話里，選項A體現了這句話的意思，故為正確答案。

27 B 文章第二段最后一句提到了這句話的意思。

28 A 文章第二段最后一句也概括提到了這句話的意思。

29 D 文章第三段談到Eta Carmae的時候是把它作為一個例子來講的，故D為答案。

30 E 文章最后一段最后一句提到了這句話的意思。