Questões de Língua Inglesa do ano 2010

a cost-effective form of generating energy.

cheaper than wind power but more efficient.

a renewable form of energy only for beach houses.

at a developmental stage and commercially unviable.

the only possible alternative energy source for Portugal.

“Besides surfing, tourism and the ocean views, California may get another benefit from its famed coast: energy.” (lines 1-3)

“If it is built, devices would convert the wave’s energy into electricity,” (lines 17-19)

“California will have to wait a few years, however, to see if wave energy will help the state meet its goal for a third of its energy needs…” (lines 23-25)

“Currently there are few projects around the world that generate electricity from the ocean.” (lines 36-37)

“PG&E estimates that together they produce about 300 megawatts of power, less than a single mid-sized coal plant.” (lines 37-39)

“benefit” (line 2) and advantage are antonyms.

“famed” (line 2) and well-known are synonyms.

“convert” (line18) and transform have opposite meanings.

“infancy” (line 33) and beginning express contradictory ideas.

“generate” (line 37) and consume express similar ideas.

“…745 miles…” (line 4) – refers to the total extension of the California coast.

“… more than 37,000 megawatts…” (lines 5-6) – refers to the power already generated by California waves.

“…2020.” (line 26) – refers to year when wave energy alone will supply most of California’s energy needs.

“…more than $7 million,” (lines 31-32) – refers to the final cost of global studies on wave power.

“…1970s.” (line 35) – refers to the decade when the use of wind energy reached its peak.

has studied the generation of energy from tides for several years.

is responsible for the supply of most of California’s energy needs.

will conduct expensive studies to investigate the power generated from waves.

has developed a wave energy program to replace the wind energy projects of the past.

has been successful in generating 100 megawatts of electricity from waves in California.