11.   Beaudoin bought his custom-made board from Dave Freidank, another Lake Worth lad for whom life does not exist west of the mean high tide line.

12.   A. Most astronomers are convinced that life must exist on millions of planets throughout space.

13.   Aczel is a mathematician, and his approach to the problem is to try to calculate the probability that life exists on at least one other planet.

14.   But the old life existed counter to everything that defined and characterized the country.

15.   Competition has nevertheless been a part of organized musical life since organized musical life has existed.

16.   Does life exist elsewhere in the universe?

17.   Every thoughtful person wonders about the possibility that life exists elsewhere in the universe.

18.   Engineer Robert Zubrin said while discovering whether life ever existed on Mars was important, priorities would change in time.

19.   He is fervent in his belief that life exists beyond Earth and that a UFO crashed in Roswell.

20.   I believe an infinity of different universes actually exist, and we could find ourselves in any one in which the governing laws allowed life to exist.

n. + exist >>共 1655
problem 4.39%
evidence 2.06%
possibility 1.59%
opportunity 1.28%
difference 1.17%
life 1.15%
condition 1.10%
technology 1.04%
system 0.84%
group 0.78%
life + v. >>共 641
be 50.35%
go 4.69%
change 3.06%
begin 2.49%
become 2.41%
have 2.18%
seem 1.81%
take 1.46%
return 1.32%
get 1.31%
exist 0.76%
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