更多"Spectral reading of the light refle"的相关试题:
[单项选择]Spectral reading of the light reflected by an Earth-like planet ______.
[单项选择]Light goes three quarters of the way from the earth to the noon in one second．
A. 光一秒钟以后能走完25%的路程、从地球到月球。
B. 光一秒钟可以走过地球至月球距离的75%。
C. 光一秒钟可以走过地球至月球距离的四分之三。
D. 光一秒钟可以通过地球到月球距离的四分之三。
[单项选择]Bush's offering help for the survivors of the earthquake in Iran ______.
[单项选择]The cause for the heat in the interior of the earth is ______.
A. radioactive element
B. the great pressure of the earth
C. not determined
D. volcanic action in the interior of the earth
[单项选择]Nearly (three quarters of the surface) of the earth (are) covered with water, and (there) would be even less land (if) the polar icecaps were melt.
A. three quarters of the surface
B. are
C. there
D. if
[单项选择]The cause fro the heat in the interior of the earth is _______.
A. radioactive elements
B. the great pressure of the earth
C. not determined
D. the heart remaining from the formation of the earth
