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1、 2022自考英语（二）复习资料：UNIT2-2vi. 1、运转，起作用；2、动手术（on,upon）The elevator operates smoothly.电梯运行顺当。The medicine gradually operated.药物渐渐奏效了。The doctor operated on the neck of the patient.医生给病人的颈部动手术。vt.1、操作，操纵，经营；2、对。动手术This airline operates five main lines and dozens of branch lines.这家航空公司经营五条主干线和十几条支线。Do you
2、 know how to operate the machine?你知道怎么开这台机器吗？The doctor operated the patient on the neck.医生给病人的颈部动手术。He was operated on for lung cancer.他因肺癌动了手术。二、常考句型1、天文学家和科学家认为黑洞是一种空间区，物质可以掉进黑洞但任何物质不能逃脱。P1Astronomers and scientists think that a black hole is a region of space into which matter has fallen and fro
3、m which nothing can escape.2、理论上是这样的：当某些星体的密度增大到某一特定点时便发生爆炸。P2The theory is that some stars explode when their density increases to a particular point.3、有人认为圣诞星可能是一颗超新星。P2Some people think that the Start of Bethlehem could have been a supernova.4、假定一个人掉进黑洞，他会认为很快就能到达黑洞中心。P3If a man fell into a black
4、 hole, he would think that he reached the center of it very quickly.5、只是在近几年天文学家才开头详细讨论黑洞。P3It is only recently that astronomers have begun specific research into black holes.6、另一方面，科学家们也在设想，由于有特别先进的技术，人们或许能在将来利用黑洞为人类效劳。P5On the other hand, scientists have suggested that every advanced technology co
5、uld one day make use of the energy of black holes for mankind.三、习题Unit 2 练习：1.词汇英译汉：escape, explode, collapse, shrink, gravity, measurement, basis, launch, convincing, companion,speculation, swallow, operate, to make use of, a great many, above all2.句子英译汉：1) 6) 与常考句型一样。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.
