问题
单项选择题
通过对若干国家经济史的统计分析发现，随着人均收入水平的提高，收入分配呈现平均化的趋势。这说明（）
A.收入分配平均化有利于提高人均收入
B.经济增长会自动导致收入分配的改善
C.经济发展是改善收入分配的基本途径
D.市场经济使收入分配日益平均化
答案
参考答案：C
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通过对若干国家经济史的统计分析发现，随着人均收入水平的提高，收入分配呈现平均化的趋势。这说明（）
A.收入分配平均化有利于提高人均收入
B.经济增长会自动导致收入分配的改善
C.经济发展是改善收入分配的基本途径
D.市场经济使收入分配日益平均化
参考答案：C
| In most cases, you can transplant a tree successfully, at any time, if you follow the instructions for planting a tree. The most important thing is to dig out enough roots, but this process is difficult with a large tree. When you dig out the tree, leave a ball of earth around its roots. This ball of earth should measure about a foot wide for every inch of the tree trunk’s diameter. Dig deep enough to avoid cutting off too many taproots. It is wise to call in a professional tree expert to transplant a tree more than a few inches in trunk diameter. |
To decide whether you can successfully transplant a tree yourself, you should ______.
A．select your location carefully
B．measure the ball of earth around the tree roots
C．measure the diameter of the tree trunk
D．cut off as many taproots as you can reach