第1个回答 2009-03-29
1. Outside the atmosphere, the spaceship no longer feels the gravity by the Earth.
2. Unaffected by the gravity, an astronaut can float on the surface of the moon weightlessly.
3. After he took some medicine, his headache started to lessen.
4. He is pulling a mass of electric wires strenuously.
第2个回答 2009-03-29
1, When out of the atmosphere, the spaceship would not feel the gravity of the Earth.
2, An astronaut can flosting weightlessly in the surface of the moon, and will not be affected by the gravity .
3, After taking some medicine , his headache has been lessened.
4, It is very difficult for him to pull a big mass of wires.
第3个回答 2009-03-29
1.After flying out of the atmosphere,the spaceship will no longer feel the gravity of the earth.
2.An astronaut can float in the surface of the moon and he will be moving weightlessly.
3.After having some medicine,he began to lessen his headache.
4.He's trying his best to pull a mass of electric wire.