18 Most of the world's population may live within 100km of the sea in 2025.
A Right B Wrong C Not mentioned
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The expression \"tipple effect\" (Line 6, Para. 1 ) most probably means__________
A. chain reaction
B. cumulative effect
C. immediate response
D. long-lasting impact
17 Most developed countries will face water shortages in 20 years.
A Right B Wrong C Not mentioned
[A] habit
[B] culture
[C] language
[D] enjoyment
A.past B.present C.future D.old
A. past
B. present
C. future
D. old