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GIS中空间数据结构分类分别有哪些？

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题目：

GIS中空间数据结构分类分别有哪些？

答案：

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考点：信息技术系统性应用地理信息系统（GIS）地理信息系统（GIS）题库
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题型：阅读理解

阅读理解。

     Cassandra Feeley finds it hard to manage on her husband's income. So this year she did something more

than a hobby: She planted vegetables in her yard. For her fist garden, Ms. Feeley has put in 15 tomato plants,

and five rows of a variety of vegetables. The family's old farm house has become a chicken bourse, its

residents arriving next month. Last year, Ms. Rita Gartin kept a small garden. This year she has made it much

larger because, she said, "The cost of everything is going up and I was looking to lose a few pounds too; so

it's a win-win situation all around."

     They are among the growing number of Americans who, driven by higher living costs and a falling economy

(经济), have taken up vegetable gardening for the first time. Others have increased the size of their existing

gardens. Seed companies and garden shops say no since the 1970s have there been such an increase in interest

in growing food at home. Now many gardens across the country hacek been sold out for several months. In

Austin, Tex., some of the gardens have a three-year waiting list.

     George C. Ball Jr, owner of a company, said sales of vegetable seeds and plants are up by 40%, over last

year, double the average growth of last five years. Mr. Ball argues that some of the reasons have been building

for the last few years. The big one is striking use in me cost on food like bread and milk, together with the

increases in the price of fruit and vegetables. Food prices have increase of higher oil price. People are driving

less, taking fewer vacations, so there more time to garden.

1. What does the word"residents" in Paragraph 1 probably refer to?

A. chicken

B. tomatoes

C. gardens

D. people

2. Why is vegetable gardening becoming increasingly popular?

A. More Americans are doing it for fun.

B. The price of oil is lower than before.

C. There's a growing need for fruits.

D. The cost of living is on the rise.

3. Which of the following might be the best title for the text?

A. Family Food Planning

B. Banking on Gardening

C. A Belt-tightening Move

D. Gardening as a Hobby

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