PART TWO SKIMMING & SKANNING

　　1.D Scientist's vision of the world in half a century

　　2.B may not come true

　　3.A humans won't have to donate organs for transplantation

　　4.C live to 100 and more vitality

　　5.C alien life will likely be discovered

　　6.A might survive all catastrophes on earth

　　7.D lost fingers and limbs will be able to regrow

　　8.artificial intelligence

　　9.weapons

　　10.religion

　　PART FOUR READING COMPREHENSION

　　47. causing a reaction

　　48. an emotional debate

　　49. The approval of every victim’s family.

　　50. exploiting a national tragedy

　　51. raise awareness

　　52,B, Their currency has slumped.

　　53,C, They have to spend more money when buying imported goods.

　　54,D, They think of it as a good tourist destination.

　　55,C, They vacation at home rather than abroad.

　　56,A, The dollar's value will not increase in the short term.

　　57,D, They care more about which college their children go to than the children themselves.

　　58,A, They want to increase their children's chances of entering a prestigious college.

　　59,C, Kid' actual abilities are more important than their college background.

　　60,B, Degrees of prestigious universities do not guarantee entry to graduate programs

　　61,D, they overemphasize their qualification in job applications.