题目内容

【题目】因地制宜是发展农业生产的基本原则。据此,回答下面小题。

1下列做法符合因地制宜的原则的是

①山东丘陵种植苹果 ②长江中下游发展淡水养殖业

③内蒙古高原发展水稻种植 ④雅鲁藏布江谷地种植青棵

A. ①②③ B. ①②④ C. ②③④ D. ①③④

2北京郊区的农民过去种植小麦,近些年来多改种蔬菜、花卉和瓜果等,发生这种变化的原因是

A. 自然条件变化 B. 农业设施更新 C. 市场需求变化 D. 种植技术提高

【答案】

1B

2C

【解析】

1读图可知,①山东丘陵种植苹果②长江中下游发展淡水养殖业④雅鲁藏布江谷地种植青棵③内蒙古高原,纬度高,气温低,不适合发展水稻种植;故答案选B。

2由于市场需求变化北京郊区的农业结构由过去种植小麦改种蔬菜、花卉和瓜果等,故答案选C。

练习册系列答案
相关题目

【题目】Change is good. Without change our lives would be very boring. Some people don't change. They want life to be predictable(可预测的). They want to do the same things every day and to_____the same people every day. When something changes, it makes them _____ uncomfortable. They are like children _____ can't go to sleep unless all their toys are in their proper places.

But change is a big part of life and we _____ change in small ways every day: the young get stronger; the old get _____; we meet new friends; we discover new interests.

You will probably go_____ many changes in your lifetime. In America people can _____ to change jobs an average of ten times during their lives. They can expect to change their homes eleven times. There are a lot of changes! People in America like changes _____ they think changes improve their lives.

China has had many _____ changes in recent years and most of them are for the better. People are healthier and they are ______ longer. People have more money and more food. Change has been good for China, and it will be good for you, too.

1A. watch B. see C. look at D. find

2A. taste B. smell C. feel D. sound

3A. which B. what C. who D. where

4A. both B. neither C. either D. all

5A. smaller B. fatter C. weaker D. taller

6A. across B. past C. over D. through

7A. suppose B. expect C. think D. believe

8A. though B. however C. because D. but

9A. good B. bad C. sudden D. slow

10A. staying B. working C. living D. learning

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网