正确答案: ABCD

以市场为导向，使社会生产适应国内外市场需求的变化 依靠科技进步，促进产业结构优化 发展各地优势，推动区域经济协调发展 转变经济增长方式，改变高投入、低产出，高消耗、低效益的状况

题目：调整经济结构的总原则是：

解析：[答案] ABCD

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举一反三的答案和解析：

[单选题]凝血酶的主要作用是

分解纤维蛋白原

[单选题]假如厂商生产的产量从1000单位增加到1002单位，总成本从2000美元上升到2020美元，那么它的边际成本等于( )

10美元

[单选题]We have reached a point ______ a change is needed.

where

解析：答案为A。我们已经到了要改变的地步。point是抽象名词，有表示地点的含义，在定语从句中做状语，因此用where 引导地点状语。

[单选题]根据下列文章，回答31～35题。In the early 1960s Wilt Chamberlain was one of only three players in the National Basketball Association （NBA） listed at over seven feet. If he had played last season, however, he would have been one of 42. The bodies playing major professional sports have changed dramatically over the years, and managers have been more than willing to adjust team uniforms to fit the growing numbers of bigger, longer frames.

illustrate the change of height of NBA players.