1.It is said the gravity on Mars is only about ( ) of the gr

1.It is said the gravity on Mars is only about ( ) of the gr It is said that the gravity on Mars is only about _______of lt's said that the gravity on Mars is only about The gravity on mars is only about three-eighths of that on 求问英语问题提问It is widely believed that the pull of gravity on a The moon's surface gravity is only about ______as strong as things are on mars on earth becaus of the different gravity 单选:It is said that he isn't the only one of the students tha it is said that 81% of the ... weight is the force of gravity acting on an object 求翻译. Mars is( )the Earth Mars,it is the only planet whose surface can be seen from ea