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2014年2月10日,湖南省第十二届人民代表大会第三次会议在长沙召开.湖南省人民政府省长杜家毫作《政府工作报告》.《报告》提出:全力推进湘江保护与治理等重点生态环保工作,以水更清为重点,抓紧实施省政府“一号重点工程”第一个“三年行动计划”;以山更绿为重点,强力推进山体修复、尾矿库治理和“矿山复绿”行动,启动重金属污染严重耕地的修复利用和作物结构调整试点工作;以天更蓝为重点,加大雾霾防治的工作力度、投资力度和政策力度,加强汽车尾气治理,推广新能源交通工具.

(1)湘江中所有的动植物构成一个生态系统,这种说法是否正确?____ .

(2)汞、镉、铅、砷等重金属能通过____ 积累,最终危害人类.

(3)绿色植物的____ 作用能吸收利用空气中的二氧化碳,净化空气.

(4)湘江中的中华鲟属于鱼类.下列动物中,与它亲缘关系最近的是____ .

A.章鱼    B.鲫鱼   C.娃娃鱼    D.鳄鱼

(5)“雾霾”天气对人体的健康有危害,当“雾霾”袭来时你对人们有何建议?(一条合理建议即可)____ .

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答案(点此获取答案解析)

错误,食物链和食物网不断,光合作用,B,尽量少出门,外出戴口罩

同类题4

根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

    The jobs of the future have not yet been invented. ____. By helping them develop classic skills that will serve them well no matter what the future holds.

1). Curiosity

    Your children need to be deeply curious. ____. Ask kids, “What ingredients (配料) can we add to make these pancakes even better next time ?” and then try them out. Ingredients make the pancakes better? What could we try next time?

2). Creativity

    True creativity is the ability to take something existing and create something new from it. ____. There are a dozen different things you can do with them. Experimenting with materials to create something new can go a long way in helping them develop their creativity.

3). Personal skills

    Understanding how others feel can be a challenge for kids. We know what's going on inside our own head, but what about others? Being able to read people helps kid from misreading a situation and jumping to false conclusions. ____. “Why do you think she's crying?” “Can you tell how that man is feeling by looking at his face?” “If someone were to do that to you, how would you feel?”

4). Self expression

    ____ there are many ways to express thoughts and ideas—music, acting, drawing, building, photography. You may find that your child is attracted by one more than another.

A. Encourage kids to cook with you.

B. And we can't forget science education.

C. We can give kids chances to think about materials in new ways.

D. So how can we help our kids prepare for jobs that don't yet exist?

E. Gardening is another great activity for helping kids develop this skill.

F. We can do this in real life or ask questions about characters in stories.

G. Being able to communicate ideas in a meaningful way is a valuable skill.