填空题
Questions 31-35
Complete the notes below.
Write ONE WORD ONLY for each answer.
Renewable—constant source (31) from natural hydrologic cyde
(32) —90% of hydro energy→electricity
Clean—no air or (33) pollution
(34) & curable—simple to operate
Flexible—can start adapt quickly to meet demand→leads to (35) of power supply.
Complete the notes below.
Write ONE WORD ONLY for each answer.
Hydropower
Renewable—constant source (31) from natural hydrologic cyde
(32) —90% of hydro energy→electricity
Clean—no air or (33) pollution
(34) & curable—simple to operate
Flexible—can start adapt quickly to meet demand→leads to (35) of power supply.
填空题
To be effective, hydroelectric dams should be built across rivers with both sufficient head and ______.
填空题
There needs to be a balance between the needs of ______ living in developed environments and the preservation of natural habitat.