Of the millions who saw Haley’s comet in 1986,how many people wil_其他解答

Of the millions who saw Haley’s comet in 1986,how many people will live long enough to see it return in the twenty-first century.

人气：147 ℃　时间：2019-08-20 19:31:49

解答

在1986年数以百万计的看到哈雷彗星的人中,有多少人能够长寿到足以目睹在二十一世纪返回.