A. One three;uses
B. One threes;use
C. One third;use
D. One third;uses
[单选题]A generator is a machine to( )mechanical energy into electric energy.A.make
[问答题]Riding bicycles can save energy.
[问答题]Riding bicycles can save energy.
[问答题]It is well known that coal is an important source of energy.
[单选题]Teaching, a test of ___________, intelligence, and teamwork skills, require
5 We should move away from traditional energy sources, and begin to____cleaner f
One very( )serious problem is energy. We get a great ( ) of energy we need from
Scientists are trying to find more ______ ways to make full use of solar energy.
He decided to ask his father to practice with him so that both of them could ___
[单选题]I travel to the Binhai New Area by light railway every day, _____ do many businessmen who live in downtown Tianjin.A. as B. which C. when D. though