问题
单项选择题
根据事权与财政相结合的原则，我国将同经济发展直接相关的主要税种划分为 ( )。
A．中央税
B．中央与地方共享税
C．地方税
D．其他税
答案
参考答案：B
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根据事权与财政相结合的原则，我国将同经济发展直接相关的主要税种划分为 ( )。
A．中央税
B．中央与地方共享税
C．地方税
D．其他税
参考答案：B
There is a piece of good news for the children in the countryside. We may still remember the girl 1 big eyes. Her big eyes are 2 us her dream: I want to 3 ! In China, there are still 4 girls and boys like her.They want to go to school, but their 5 are too poor. If the family has two or three children, it is harder 6 all the children to go to school. So the parents often ask 7 to stay at home,and boys to go to school. Now they needn’t worry aboutthe money for their children’s education. From2006,children can go to school for free(免费) in China. They don’t have to 8 money for the books and other things. Some of them can even get money from the the government to make their life 9 . Soon , all the poor children can go to school for free. All families are very happy with the news. It is 10 great!
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某市生产柑桔，柑桔生长的主要环境条件是：年平均气温要求15℃以上，1月平均气温5℃以上；适宜种植在朝南或东南的向阳处；有水源可灌．请分析上述资料回答下列问题．
（1）影响柑桔生长的非生物因素主要有______、______（至少答出两个）；
（2）某科技人员想探究海拔高度对柑桔生长的影响，设计了如下的实验方案，并对实验结果进行了统计：
| 条件 | 产量 | 个体大小 | 甜度分析 | |
| A组 | 种植在海拔高度为150米的朝南坡地 | 高 | 小 | 不甜，酸味重 |
| B组 | 种植在海拔高度为300米的朝南坡地 | 最高 | 最大 | 甜 |
| C组 | 种植在海拔高度为450米的朝南坡地 | 低 | 大 | 甜，略带酸 |