Leading-in

Leading-in

Task Ⅰ　There are various energies and they are very useful in our life.Now，please observe the following pictures and see whether you know them or not.Try to match it with proper name.

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A.ocean energy　B.nuclear energy　C.hydrogen energy

D.solar energy　E.water energy　F.wind energy

G.electric energy　H.geothermal energy　I.biomass energy

Task Ⅱ　Translate the following doctrines into Chinese.

1.Saving from ourselves.

2.Energy is limited，save unlimited.

3.Civilization begins with every drop.

4.Waste a drop of water，tears in the future.

5.Never know the worth of water till the well is dry.