题干

某学校七年级三班有50名学生,现对学生最喜欢的球类运动进行了调查,根据调查的结果制作了扇形统计图,如图所示.根据扇形统计图中提供的信息,给出以下结论:

①最喜欢足球的人数最多,达到了15人;

②最喜欢羽毛球的人数最少,只有5人;

③最喜欢排球的人数比最喜欢乒乓球的人数少3人;

④最喜欢乒乓球的人数比最喜欢篮球的人数多6人.

其中正确的结论有(  )


A:1个

B:2个

C:3个

D:4个

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答案(点此获取答案解析)

D

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    Do you think you're green? You're a totally modern citizen, aren't you? You keep your bottles and take them to the bottle bank. You have a black bin and a green bin, one for general waste and one for recyclable waste. Your car uses lead—free petrol. You use the same plastic bag every time you go to the supermarket. Maybe you even cycle to work from time to time. You are playing your part; you are green and environment—friendly. Well, I've got news for you:

    YOU ARE NOT DOING ENOUGH!

    If you don't believe me, look at these facts. Trust me, they're from a BBC website.

    On average every person in the UK throws away their own body weight in rubbish every seven weeks.

    Every year, the average dustbin contains enough unused energy for 500 hot baths, 3,500 hot showers or 5,000 hours of television.

    Every UK household produces over one tonne of rubbish every year.

    If all the aluminium drink cans sold in the UK were recycled, there would be 14 million fewer full dustbins per year.

    Just one recycled aluminium can saves enough energy to run a television for three hours!

    At Christmas over 83 square kilometres of wrapping paper is thrown in the bin.

    Almost three billion nappies (used for baby) are thrown away in the UK every year. 90% of these are buried and take hundreds of years to disappear.

    Have I made you believe that you need to do more? No? OK, here are one or two more facts.

    Recycling just one plastic bottle saves enough energy to power a light bulb for six hours.

    Collecting dustbins and cleaning streets costs £1. 6 billion per year.

    Surely you must believe me now. You need to do more. The good news is that there is some— thing else you can do.