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it helps helps it does it help it does help
harnessing energy through chemistry our last source of power how water power is produced the amount of solar energy that can be utilized
把For k=1 To n改为For k=2 To n 把p=p*a改为p=p^n 把For k=1 To n改为For k=1 To n-1 把p=a改为p=1
giving give to give gives
does the sun give the sun gives gives the sun the sun does give
把For k=1 To n改为For k=2 To n 把p=p*a改为p=p^n 把For k=1 T0 n改为For k=1 To n-1 把p=a改为p=1
把For k=1 To n改为For k=2 To n 把p=p*a改为p=p^n 把For k=1 To n改为For k=1 To n-1 把p=a改为p=1
giving give to give gives
give gives to give giving
the; the a; a a; the /; /
a machine using solar energy efficiently has already been developed the sun is our final source of power man uses only a tiny part of the sun's energy the part of the sun's energy we use is used indirectly
the, a / , a / , / a, the
把For k=1 To n改为For k=2 to n 把p=p*a改为p=p^n 把For k=1 To n改为For k=1 To n-1 把p=a改为p=1
Such, such a So, so a Such, such So, such
turns turned turning being turned