A.and reasonable
B.and value
C.without reasons
D.or invalid
A.had linked
B.link
C.linking
D.linked
A.individual
B.coupled with
C.maximize profits
D.which
A.to call for actions to tackle the problems of climate change
B.to co-ordinate for the implementation of international agenda
C.to lay out a plan for environmental problems
D.to find reasons for recent global warming