Questions 3 and 4 are based on the news report you have just heard.A.Finding cheaper ways of highway construction.
B.Generating electric power for passing vehicles.
C.Providing clean energy to five million people.
D.Testing the efficiency of the new solar panel.
4.
A.They can stand the wear and tear of natural elements.
B.They can be laid right on top of existing highways.
C.They are only about half an inch thick.
D.They are made from cheap materials.
They still have some problems __________ in designing the new energy vehicles.A.
[试题](ii) vehicles. (3 marks)
Our new car,______ we bought last month seats five people.A. thatB. whatC. which
Electric vehicles are broadly categorized into()groups based on the electric d p
[单选题]A generator is a machine to( )mechanical energy into electric energy.A.make
Yet more than 700 million people around the world have-|||-trouble getting clean
[单选题]Heat energy is a source of power, but () will cause damage to the engine.A . excessive heatB . insufficient heatC . effective coolingD . high output
B)It provides many job opportunities for French people. C)It is the biggest conc
[单选题]We can [utilize]water for producing electric power.A.employB.embraceC.emerg
[单选题]We can [utilze]water for producing electric power.A.employB.embraceC.emerge