_______ damage threatens the whole of civilization.
A.Environmentally
B.Environmental
C.Environment
D.Environtalist

How to make full use of these sources of energy is a question for ______ all around the world.
A.consumers
B.customer
C.biologists
D.reseachers

Fears that the world was about to run _____ of fuel proved groundless.
A.in
B.on
C.at
D.out

______ is the study of living things all around us.
A.Ecologic
B.Ecologist
C.Ecology
D.Ecologically

The ______ warned us that petroleum was not merely a blessing but also a curse.
A.Ecologists
B.Ecologically
C.Ecologic
D.Ecology

Japan is not ______ in natural resources.
A.dependent
B.independent
C.abundant
D.limited

Health-concious _______want more information about the food they buy.
A.consumer
B.consumption
C.consume
D.consuming

Choose the word which is stressed differently from the rest.
A.nuclear
B.convenient
C.supplies
D.release

Choose the word which is stressed differently from the rest.
A.infinite
B.available
C.potential
D.unlimited

Choose the word which is stressed differently from the rest.
A.radiation
B.geothermal
C.alternative
D.electricity