A.source of power
B.alternative power
C.green energy
D.nuclear power

A.I have not been to the museum for a year.
B.A year ago, I often went to the museum.
C.My going to the museum lasted a year.
D.At last I went to the museum after a year.

A.I have not been to the museum for a year.
B.A year ago, I often went to the museum.
C.My going to the museum lasted a year.
D.At last I went to the museum after a year.

A.low
B.morality  
C.remarkably  
D.consecutive

A.Many
B.on  
C.satisfaction  
D.its

A.month
B.makes  
C.dresses  
D.sold

A.month
B.makes  
C.dresses  
D.sold

A.nuclear power is more expensive than other sources
B.nuclear energy is renewable because it can be replenished
C.nations have different viewpoints about the utility of nuclear power
D.the nuclear disaster in Fukushima made other countries give up on nuclear power

A.concern
B.attention
C.danger
D.area of light

A.Fossil fuels will continue to be the best choice for the future.
B.Nuclear energy will outweigh green energy in the near future.
C.It is easy to decide on the energy solution for the future.
D.A mix of different energy sources will be used in the future.