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on the moon and collected many rock samples do people think the aliens tried to do ? They think the aliens tried to warn Armstrong and Aldrin to stay away was the highest award that Neil Armstrong received? The Medal of Freedom was the highest award Neil Armstrong received since adv. 從那時(shí)起 (自那時(shí)以來 ) We‘ve been friends ever since we met at school. 自從我們?cè)趯W(xué)校認(rèn)識(shí)之后,我們就一直是好朋友。 。 4. 那位老人告誡那些孩子不要在這么薄的冰上溜冰。 課文解析 as擔(dān)當(dāng) ,充當(dāng) He used to work as a policeman. v.amp。 At that time the Romans controlled a vast empire. 那時(shí)羅馬人統(tǒng)治著一個(gè)很大