必修三unit4-reading2-公開課(留存版)
【正文】 : the second: the third: As the rocket rose into the air, we were pushed back into our seats because we were trying to escape the pull of the earth. We feel as if there is no gravity at all. When we get closer to the moon, we shall feel its gravity pulling us, but it will not be as strong a pull as the earth’s. Para 2: How many times does the gravity change on their journey ? Para 3: what changes will a person have on the moon? Use adjectives to describe them? lighter taller further Walking does need a bit of practice n
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