D)Scientists’vision of the world in halfa century
2, According to Harvard professor Steven Pinker,predictions about the future___B__.
B)may not come true
3, Professor Bruce Lahn of the University of Chicago predicts that_A___.
A)humans won’t have to donate organs for transplantation
4. According to professor Richard Miller of the University of Michigarr, prople will___C_.
C) life to 100 and more with vitality
5.Priceton professor Freeman Syson thinks that__C__.
C)alien life will likely be discovered
6.According to Princeton professor Richard Gott,by setting up a self-sufficient colony on Mars,
A, Might survie allcatastrophes on earth
7.Ellen Heber-Katz, professor at the Wistar Institue in Philadelpia,predicts that_D_.
D)lost fingers and limbs will be able to regrow