3a 部分答案
I think it comes from a newspaper. Because it is reporting something that happened very recently (i.e. yesterday) ,and the whole story is very short.
3b 部分答案
1．√ 由第二段的第一句“The bus driver,24-year-old Wang Ping,stopped the bus without thinking twice.”可知此句表述正确。
3．√ 由第二段中“She said that the man had a heart problem and should go to the hospital.”可知此句表述正确。
5．√ 由第二段的最后一句“Some passengers helped Mr. Wang to move the man onto the bus．”可知此句表述正确。
6．√ 由第三段的第一句“Thanks to Mr. Wang and the passengers,the man was saved by the doctors in time．”可知此句表述正确。
3c 部分答案
1. Because he expected most or all of the passengers to get off and wait for the next bus,but they all agreed to go with him.
2. Yes,they did. We can know it from the last paragraph
3. No,I don't. Because everyone is a member of the society. We should help each other.
（答案仅供参考）
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