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Recording 7
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1. We had a good response to our survey and we found that while 80% of our students drink coffee, only 15% drink tea, with the rest preferring water.
1、我们的调查反响很好，我们发现，80%的学生喝咖啡，只有15%喝茶，剩下的更喜欢喝水。
2. Over 800,000 people in the US are estimated to have tried skiing.
2、美国有预计超过80万人尝试过滑雪。
This may seem a large number but it represents just over 0.26% of the total population of 300 million. So, per capita, it is surprisingly small.
这看起来似乎是个大数字，但这仅占总人口3亿的0.26%。所以，人均来算，数字惊人地小。
3. It is estimated that India is home to between 38,000 and 53,000 wild elephants, while Africa has between 470,000 and 690,000.
3、据估计，印度有三万八千至五万三千头野象，而非洲有四十七万到六十九万。
Exact figures are difficult to determine.
很难确定具体数字。
4. An elephant can weight between 2.5 and 5 tonnes. This is comparable to the tongue of blue whale, which alone can weight 2.7 tonnes.
4、一头大象的体重约为2.5至5吨。这和蓝鲸的舌头差不多，单是舌头就重2.7吨。
In fact, a blue whale can weight 15 times more than an elephant, and can grow to about 10 times the size of a standard bus.
事实上，一头蓝鲸的体重能达到大象的15倍有余，体积能长到10倍的普通巴士那么大。
