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【简答题】
One day at a park, a woman sat down next to a man on a bench (长椅) near a playground. “That’s my son over there,” she said, pointing to (指着) a little boy in a red sweater. “He’s a lovely boy,” the man said. “That’s my daughter on the bike in the white dress.” Then, looking at his watch, he called to his daughter, “We have to leave for home now, Rosa.” “Just five minutes, Dad,” Rosa said, “Please, just five more minutes.” The man agreed and Rosa went to ride his bike happily. Five minutes later, the father stood and called again to his daughter, “Time to go now?” “Five more minutes, Dad,” Rosa said again, “Just five more minutes.” The man smiled and said, “OK.” “Oh, you are really a patient father,” said the woman. The man smiled and then said, “Her elder brother Tommy died (死) in a traffic accident (事故)last year when he was riding his bike near here,” the man said, “I never spent much time with Tommy and now I’d like to give anything for just five more minutes with him. I vowed (发誓) not to make the same mistake(错误) with Rosa. She thinks she has five more minutes to ride her bike. In fact, I get five more minutes to watch her play.” 小题1:The woman’s son was wearing _______________. A.a red T-shirt B.a red sweater C.a white sweater D.a white dress 小题2:From the article, we know that Tommy was ____________. A. the man’s son                            B. the woman’s son C. Rosa’s younger brother                       C. the man’s elder brother 小题3:The underlined word “patient” means_____________. A.严格的 B.勤劳的 C.有耐心的 D.积极的 小题4:Which of the following sentences is TRUE? A.The man’s daughter and her brother played at the park. B.Rosa agreed to go home when her father called her the first time. C.The woman felt sorry that she didn’t spend any time with her son. D.The man learned a lot from Tommy’s death(死亡).
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A.
正确
B.
错误
【简答题】某连续型变量的组距数列,其末组为开口组,下限为 600 ,其邻组的组中值为 550 ,则末组的组中值为 ( )A. 550 B. 650 C. 700 D. 750
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