题目内容:
A rocket traveling away from Earth () a speed greater than 11.186 kilometers per second(6.95 miles per second)or 40,270 kilometers per hour(25,023 mph)will eventually escape Earth’s gravity.
A.at
B.of
C.in
D.with
参考答案:
A rocket traveling away from Earth () a speed greater than 11.186 kilometers per second(6.95 miles per second)or 40,270 kilometers per hour(25,023 mph)will eventually escape Earth’s gravity.
A.at
B.of
C.in
D.with