问题
单项选择题
资源利用水平随着经济技术的进步不断突破原有界限，从而不断推进产业结构中朝阳产业的成长，这是产业的( )。
A．结构合理化
B．结构高度化
C．均衡发展
D．发展效率
答案
参考答案：B
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资源利用水平随着经济技术的进步不断突破原有界限，从而不断推进产业结构中朝阳产业的成长，这是产业的( )。
A．结构合理化
B．结构高度化
C．均衡发展
D．发展效率
参考答案：B
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| Tom is an 1____________ boy. He's twelve 2____________. He's two years 3____________ than his brother, Jim. Tom is 150 cm and Jim is 160 cm. Jim is 50 kilos and Tom is 60 kilos. Tom wants 4___________ lose some weight (减肥), so he tries not to eat too much food. He also 5____________ more exercise than before. Every morning he 6____________ earlier than Jim and he goes jogging for thirty minutes. He usually goes skating after school. After dinner, Tom often 7____________, and Jim likes 8____________ at home. Now Tom is much stronger than Jim. Jim thinks he needs more 9____________ now. He and Tom will do exercise 10____________.
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