A.electrical
B.mechanical
C.chemical
D.potential
As there is less and less coal and oil, scientists are exploring new ways of making use of ____ energy, such as sunlight, wind and water for power and fuel.A. primary B. alternative C. instant D. unique
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As used in this passage, "structures" means ______.A. enduranceB. organizationC. necessary partsD. energy
I’m tired. I havent ’t got_____ energy(精力)to go to the gym today.A.enoughB.manyC.littly
Many countries are increasing their use of natural gas, wind, and other forms of ( ).A、sourceB、materialC、powerD、energy
HSE是指( )。A、harmony,safety,education的缩写B、harm,service,energy的缩写C、health，safety，environment的缩写D、health，safety，energy的缩写
Electricity, like other forms of ______ has greatly increase inprice.A.strengthB.forceC.powerD.energy
As there is less and less coal and oil, scientists are exploring new ways of making use of _______ energy, such as sunlight, wind and water for power and fuel.A.primary B.alternative C.instant D.unique
