The moon's surface gravity is only about ______as strong as

The moon's surface gravity is only about ______as strong as lt's said that the gravity on Mars is only about The earth is about ----as the moon. SAT语法题Becasue earth's gravity is greater than the moon's,the 各位来看看Sat语法Because Earth's gravity is greater than the Moon's the earth is about as the moon A as fifty 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 The gravity on mars is only about three-eighths of that on the moon is about _____in diameter as diameter as the earth. About two thirds of the Earth's surface is covered by the se The wight of the moon is only about one eightieth of that of