今年自考英語（二）復(fù)習(xí)資料：UNIT2
今年自考英語（二）復(fù)習(xí)資料：UNIT2
句子漢譯英
黑洞是什么，天文學(xué)家還沒有完全解決這個問題。
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.
單元課后練習(xí)
Ⅰ.Word Spelling
1.密度 n. density _ _ _ _ _ _ _ _
2.（使）倒塌，（使）崩潰 v. collapse _ _ _ _ _ _ _ _
3.邊界線，邊界 n. boundary _ _ _ _ _ _ _ _
4.永恒的，經(jīng)久不變的 a.c _ _ _ _ _ _ _ _
5.基礎(chǔ)，根據(jù) n.b _ _ _ _ _ _ _ _
6.發(fā)射，發(fā)動 v.l _ _ _ _ _ _ _ _
7.雙胞胎之一 a.t _ _ _ _ _ _ _ _
8.同伴，同事 n.c _ _ _ _ _ _ _ _
9.人類 n.m _ _ _ _ _ _ _ _
10.推測，猜測 n.s _ _ _ _ _ _ _ _
11.吞 v.s _ _ _ _ _ _ _ _
12.不充分的 a.i _ _ _ _ _ _ _ _
13.物質(zhì) n.m _ _ _ _ _ _ _ _
14.情況，環(huán)境 a.c _ _ _ _ _ _ _ _
15.發(fā)生，出現(xiàn) v.o _ _ _ _ _ _ _ _
16.強烈的` a.i _ _ _ _ _ _ _ _
17.證據(jù) n.e _ _ _ _ _ _ _ _
18.看不見的 a.i _ _ _ _ _ _ _ _
19.宇航員 n.a _ _ _ _ _ _ _ _
20.熱帶的 a.t _ _ _ _ _ _ _ _
�、�.Word Form
1.Supernovae____(report) by astronomers in the seventeenth and eighteenth centuries.
2.Imagine the earth reduced to the size of a marble, but still____(have) the same mass, and you have some idea of the force of a black hole.
3.If one____(make) a journey over the 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 a new observatory to study the individual exploding stars____(believe) to be black holes.
5.Matter from the one which we can see____(pull) towards the companion star.
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