Unit 2 練習(xí)：
1.詞匯英譯漢：
escape， explode， collapse， shrink， gravity， measurement， basis， launch， convincing， companion，
speculation， swallow， operate， to make use of， a great many， above all
2.句子英譯漢：
1） Astronomers and scientists think that a black hole is a region of space into which matter has fallen and from which nothing can escape.
2） The theory is that some stars explode when their density increases to a particular point.
3） Some people think that the Start of Bethlehem could have been a supernova.
4） If a man fell into a black hole， he would think that he reached the center of it very quickly.
5） It is only recently that astronomers have begun specific research into black holes.
6） On the other hand， scientists have suggested that every advanced technology could one day make use of the energy of black holes for mankind.
7） There might be a massive black hole at the center of our galaxy swallowing up stars at a very rapid rate.
8） They show us a world which operates in a totally different way from our own and they question our most basic experience of space and time.
3 句子漢譯英
黑洞是什么，天文學(xué)家還沒有完全解決這個(gè)問題。
Astronomers have not yet fully solved the problem of what a black hole is.
據(jù)說黑洞可以將其周圍的一切物體，如星星吞食掉。
It is said that black holes are able to swallow up all the objects around them， such as stars .
對(duì)黑洞的研究剛剛開始，各種各樣的假說層出不窮。
The research of black holes is just beginning and speculation about them are endless.
科學(xué)家仍不能說出黑洞內(nèi)發(fā)生了什么。
Scientists still can not tell what happens inside a black hole.
It is still impossible for scientists to tell what happens inside a black hole.
如果我們認(rèn)識(shí)了黑洞，黑洞就不那么可怕了。
If we understood black holes， they would not be so fearful .
Black holes will not be so fearful if we get to know them.
歷年考題：
1.Astronomers and scientists think that a black hole is a region of space ______ which matter has fallen and ______ which nothing can escape.
A.towards … towards B.into … from C.out of … from D.through… from
答案是B.考點(diǎn)：定語從句中介詞+which 的結(jié)構(gòu)；fall into 掉進(jìn)去； escape from 從… 逃離。
2.漢譯英：要說出黑洞里面發(fā)生了什么是不可能的。（不定式作主語）
答案：It is impossible to say what happens inside the black hole.
3.漢譯英： 只是在近天文學(xué)家才開始對(duì)黑洞進(jìn)行具體研究。（強(qiáng)調(diào)句型）
答案：It is only recently that astronomers have begun specific research into black holes.
4.漢譯英： 有些星辰的密度達(dá)到某一點(diǎn)就會(huì)爆炸。
答案：Some stars explode when their density increases to a certain point .
Unit 2 單元課后練習(xí)
Ⅰ Word Spelling
1.密度 n.d _ _ _ _ _ _ _ _
2.（使）倒塌，（使）崩潰 v.c _ _ _ _ _ _ _ _
1.詞匯英譯漢：
escape， explode， collapse， shrink， gravity， measurement， basis， launch， convincing， companion，
speculation， swallow， operate， to make use of， a great many， above all
2.句子英譯漢：
1） Astronomers and scientists think that a black hole is a region of space into which matter has fallen and from which nothing can escape.
2） The theory is that some stars explode when their density increases to a particular point.
3） Some people think that the Start of Bethlehem could have been a supernova.
4） If a man fell into a black hole， he would think that he reached the center of it very quickly.
5） It is only recently that astronomers have begun specific research into black holes.
6） On the other hand， scientists have suggested that every advanced technology could one day make use of the energy of black holes for mankind.
7） There might be a massive black hole at the center of our galaxy swallowing up stars at a very rapid rate.
8） They show us a world which operates in a totally different way from our own and they question our most basic experience of space and time.
3 句子漢譯英
黑洞是什么，天文學(xué)家還沒有完全解決這個(gè)問題。
Astronomers have not yet fully solved the problem of what a black hole is.
據(jù)說黑洞可以將其周圍的一切物體，如星星吞食掉。
It is said that black holes are able to swallow up all the objects around them， such as stars .
對(duì)黑洞的研究剛剛開始，各種各樣的假說層出不窮。
The research of black holes is just beginning and speculation about them are endless.
科學(xué)家仍不能說出黑洞內(nèi)發(fā)生了什么。
Scientists still can not tell what happens inside a black hole.
It is still impossible for scientists to tell what happens inside a black hole.
如果我們認(rèn)識(shí)了黑洞，黑洞就不那么可怕了。
If we understood black holes， they would not be so fearful .
Black holes will not be so fearful if we get to know them.
歷年考題：
1.Astronomers and scientists think that a black hole is a region of space ______ which matter has fallen and ______ which nothing can escape.
A.towards … towards B.into … from C.out of … from D.through… from
答案是B.考點(diǎn)：定語從句中介詞+which 的結(jié)構(gòu)；fall into 掉進(jìn)去； escape from 從… 逃離。
2.漢譯英：要說出黑洞里面發(fā)生了什么是不可能的。（不定式作主語）
答案：It is impossible to say what happens inside the black hole.
3.漢譯英： 只是在近天文學(xué)家才開始對(duì)黑洞進(jìn)行具體研究。（強(qiáng)調(diào)句型）
答案：It is only recently that astronomers have begun specific research into black holes.
4.漢譯英： 有些星辰的密度達(dá)到某一點(diǎn)就會(huì)爆炸。
答案：Some stars explode when their density increases to a certain point .
Unit 2 單元課后練習(xí)
Ⅰ Word Spelling
1.密度 n.d _ _ _ _ _ _ _ _
2.（使）倒塌，（使）崩潰 v.c _ _ _ _ _ _ _ _