Doily might have been ______ responsible for the traffic accident.
A. partly
B. part
C. apart
D. partial
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目标手段相互依赖理论的创立者是
A. 多伊奇 B．柏恩 C．舒茨
B. 凯尔曼 E．霍曼斯
A: ().B: You'd better look before you leap.
A. I plan to quit the job and go abroad.
B. I'm crazy about basketball.
C. I looked for it everywhere but didn't find it.
D. I love sports.
已知三个质数a、b、c满足a+b+c+abc=99，那么|a-b|+|b-c|+|c-a|的值等于（）。
A. 16
B. 24
C. 25
D. 34
E. 32
已知甲走5步的时问，乙只能走4步，但是甲走5步的距离，乙只要走3步就够了．让甲先走20步，乙再追他，乙要追上甲需要走（）步。
A. 24
B. 36
C. 42
D. 48
E. 60
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