A new spaceship was（）at Cape Kennedy yesterday.
What does the scientist in the spaceship measure? ______
When he stepped out of the spaceship，Leonov saw__________ ．
The astronauts on board the spaceship______ in shape by running around the ceiling of a huge circular room.
Although it is possible to launch the spaceship both from ground and from the air, some people believe it's more cost-effective to launch it from ground.
So far，spaceships without people have reached the moon and some other parts of the（）.
In the past, people used______that the moon was too far away ______But now it is possible for man______there by spaceship.
