1、Self Check,任务,任务:用适当的句子补全对话。 A:1. B:I think the light bulb is the most useful. A:2. B:Thomas Edison. A:3. B:America. A:4. B:It was invented after many experiments. A:5. B:Yes,he invented lights,talking machines and so on. A:Perhaps he is the greatest inventor the world has ever known.,What do you th
2、ink is the most useful?,Who was it invented by/Who invented it?,Which country was he born in?,How was it invented?,Did he invent other things?,all of a sudden突然;猛地 all of a sudden意为“突然、猛地”,相当于suddenly。如: All of a sudden/ Suddenly I heard a cry for help from the next door. 突然我听到隔壁传来救命的哭喊声。 All of a sudden/ Suddenly we saw a woman rushing out of the building. 突然我们看见一位妇女从大楼里冲了出来。,