你可能感兴趣的试题
about 384 000 kilometers 240 000 kilometers only 348 000 kilometers about 384 000 meters
So far, rockets with men have been to Other places. Rockets with men can fly to other places farther away than the moon. Perhaps one day rockets will be able to go to any place in space. A plane can fly to the moon.
about 384 000 kilometers 240 000 kilometers only 348 000 kilometers about 384 000 meters
nothing many things everything little
to send to be sending to have sent to have been sending
the sun the moon all the stars some planets
the moon is 240 kilometer far away we don't know where it is it can't fly without air there is no air on the moon
it looks like a balloon. it is much lighter than an airplane. it doesn’t have wings. it works like an untied balloon.
So far, rockets with men have been to Other places. Rockets with men can fly to other places farther away than the moon. Perhaps one day rockets will be able to go to any place in space. A plane can fly to the moon.
nothing many things everything little
to send to be sending to have sent to have been sending
So far, rockets with men have been to Other places. Rockets with men can fly to other places farther away than the moon. Perhaps one day rockets will be able to go to any place in space. A plane can fly to the moon.
the air will be too thin to support its wings. the air will become thicker. the air will exert pressure on it. the air will disappear in no tim
the moon is 240 kilometer far away we don't know where it is it can't fly without air there is no air on the moon
the sun the moon all the stars some planets
the sun the moon all the stars some planets
湘公网安备 43130202000226号