_____ from the moon, the earth with water _____ seventy percent of its surface.A. Se
_____ from the moon, the earth with water _____ seventy percent of its surface.
A. See/covered
B. Seeing/covering
C. Seen/covering
D. To see/to cover
_____ from the moon, the earth with water _____ seventy percent of its surface.
A. See/covered
B. Seeing/covering
C. Seen/covering
D. To see/to cover
A、错误
B、正确
A.It
B.As
C.That
D.What
A、Except for
B、Besides
C、Except
D、Other than
Astronauts are people who______.
A.collect rock samples
B.are sent to work in space
C.are interested in the moon
D.study the structure of the moon
--If you are offered a trip to the moon, ______ it?--Of course. Why not?
A.did you accept
B.are you going to accept
C.will you accept
D.would you accept
A、service, convenience and information
B、fun, enjoyment and experience
C、nearer to the far-away planets
D、nearer to the moon and mars ion.
The "impact theory" sounds reasonable because_____ .
A.scientists have found what happened billions of years ago
B.it is based on the newly gathered information about Mars
C.it can answer many questions raised about the moon and the earth
D.astronauts believe that the moon and the earth are of the same age