最佳答案:

　　The passage is about events that happened in the past.（答案仅供参考）

最佳答案:

　　1. One is that Dr. Martin Luther King was killed. The other is that the World Trade Center in New York was taken down by terrorists.

　　2. The first event happened on April 4,1968. The second happened on September 11,2001.

最佳答案:

　　1．F 由文中“Although some people may not remember who killed him...”可知此句表述错误。

　　2. F 由文中“We were eating dinner in the kitchen when we heard the news on the radio. The news reporter said,‘Dr. King died just 10 minutes ago.’”可知此句表述错误。

　　3. T 由文中“My parents were completely shocked!”可知此句表述正确。

　　4．F 由文中“She remembers working in her office near the two towers.”可知此句表述错误。

　　5. T 由文中“I didn't believe him at first,but then I looked out of the window and realized that it was true.”可知凯特的朋友在讲述这件事时，她是不相信的，故此句表述正确。

最佳答案:

　　1. Although some people may not remember who killed him, they remember what they were doing when they heard the news.

　　2. My parents did not talk after that,and we finished the rest of our dinner in silence.

　　3. Even the date—September 11,2001—has meaning to most Americans.

　　4. I was so scared that I could hardly think clearly after that.