2011自考英语（二）复习资料：UNIT2-5

　　8.In August 1977, a satellite was____to gather data about the black holes in the Milky way.
　　[A] posted
　　[B] delivered
　　[C] launched
　　[D] transmitted
　　9.The terms we would normally use to describe a scientific phenomenon are____here.
　　[A] inadequate
　　[B] invisible
　　[C] intense
　　[D] individual
　　10.We know nothing about events which happen once objects pass this boundary, But____,matter must 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.swallow 12.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 pulled 6.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 so intense that a black hole results.
　　2.It is only recently/It is not until recently that astronomers have begun specific research into black holes.