题干

阅读图文资料,完成下列要求。

沱江是长江上游支流,沱江全长629km,沱江的发源地是四川盆地西北缘的九顶山,沱江大千玉产于沱江河床,经河水和砂石的冲击、磨涮,留下玉料中的精华,秋季是最佳采玉季节。流域内人口密集,工农业发达,是四川污染最严重的河流。下表示意四川全省和沱江流域及周边地区主要城市2013年的产业结构,图为沱江流域及周边地区示意图。

表:


主导产业

第二产业

比重(%)

第三产业

比重(%)

四川省

水电能源、电子信息、机械冶金、

旅游、医药化工、食品饮料等

44.1

35.9

自贡市

盐化工、机械制造、新材料

54.5

28.3

内江市

食品饮料、机械制造、冶金建材、

医疗化工、电力能源

57.7

21.7

泸州市

酒业、化工、能源、机械制造

55.9

26.3

宜宾市

酒类食品、化工轻纺、综合能源、

机械制造

55.3

24.6

上一题 下一题 0.0难度 选择题 更新时间:2019-06-08 11:25:21

答案(点此获取答案解析)

同类题4

任务型阅读

    Humans use electricity to light up the night sky. But did you know that nature itself can glow, too?

    ____. Some use their lights to communicate. Others shine to hunt, to mate or to protect themselves. The vampire squid, for example, gives out a cloud of light to scare enemies.

    ____.

    In 2013, the US company Gleaux said it had created the world's first light-producing plant, reported the Daily Mail.

    ____.

    “People have dreamed about this stuff for many years,” said Alexander Krichevsky, the company's founder.

    He and other researchers are working toward a future in which glowing plants replace lamps and glowing trees line highways.____, making them glow to let farmers know when they need water or are ready to be picked.

    While GleauX is working on glowing plants, the French company Glowee is trying to use glowing bacteria to light up shop windows and street signs. It is the same type of bacteria that causes certain sea animals to light up.

    ____.The company is now working on a light that shines brighter, lasts longer and comes in different colors.

    “Our goal is to change the way we produce and use light,” said Glowee founder Sandra Rey. “We want to offer a global solution that will reduce the 19 percent of electricity consumption used to produce light.”

A. People are also creating glowing bacterial art that you can hang in your home

B. Scientists have found many glowing creatures, most of which live in the ocean

C. Krichevsky also hopes the technology could be used in crops

D. Researchers around the world are looking into nature's lights for new ideas

E. It is a genetically-modified plant that glows like fireflies do

F. In 2016, Glowee created a bacteria-powered light that glows for three days

G. This technology could help us save much energy