About____ of the sun's energy reaches the earth's surface.
A: One -quarte
B: One-third
C: A half
A: One -quarte
B: One-third
C: A half
举一反三
- Of the sun’ s total output of radiant energy, the earth receives () A: one tenth B: one millionth C: all that comes from the surface of the sun D: a very small portion
- The energy that the sun radiates to earth every is equivalent to the sum of all the fossil fuel energy of the energy A: one day B: three days C: one months D: --
- About _____ of the earth's surface is covered with water. A: three quarters B: three quarter C: two fifth D: two third
- ______ of the surface (表面) of the earth is covered with water. A: First third B: B. Two thirds C: One three
- ______ of the working women in the U.S.A. have been to university. A: Nearly one third B: About a quarter[c] One fourth[D] About a half