问题
单项选择题 A1/A2型题
关于急性白血病，正确的是（）。
A.不能治愈
B.造血干细胞移植是唯一能治愈急性白血病的疗法
C.诱导化疗获得完全缓解后体内白血病细胞即被完全消灭
D.诱导化疗获得完全缓解后体内白血病细胞仍大量存在
E.急性淋巴细胞白血病不需要预防中枢神经系统白血病
答案
参考答案：D
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关于急性白血病，正确的是（）。
A.不能治愈
B.造血干细胞移植是唯一能治愈急性白血病的疗法
C.诱导化疗获得完全缓解后体内白血病细胞即被完全消灭
D.诱导化疗获得完全缓解后体内白血病细胞仍大量存在
E.急性淋巴细胞白血病不需要预防中枢神经系统白血病
参考答案：D
Cars are very popular in America. When the kids are fourteen years old, they dream of having their own ____1___. Many students take a part-time job after school to ___2___ a car. In most places ____3___ people learn to drive in high school. They have to take a ___4____ test to get a license. Learning to drive and getting a driver’s ___5___ may be one of the most exciting things in their lives. For many, that piece of paper is an important symbol(象征)that they are now grown-ups. Americans seem to love their cars almost more than anything else. People almost never go to see a doctor when they are ____6_____. But they will take ____7____ cars to a “hospital” at the smallest sign of a problem. At weekends, people ___8___ most of the time in washing and waxing(打蜡) their cars. For some families it is not enough to have ___9___ car. They often have two or even three. Husbands need a car to go to work. Housewives need a car to go shopping or to take the children to school or ___10____ activities.
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