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题目内容
（乐山师范学院大学英语）
America succeeded in shaping world events over past 40 years probably because of ().
A. its ability to adapt technology
B. its ability to take advantage of the capabilities of its people
C. its ability to compete in the world markets
D. both A and B
A. its ability to adapt technology
B. its ability to take advantage of the capabilities of its people
C. its ability to compete in the world markets
D. both A and B
参考答案