问答题 Listen to the following passage. Altogether the passage will be read to you four times. During the first reading, which will be done at normal speed, listen and try to understand the meaning. For the second and third readings, the passage will be read sentence by sentence, or phrase by phrase, with intervals of 15 seconds. The last reading will be done at normal speed again and during this time you should check your work. You will then be given 1 minute to check through your work once more.

World Species

【正确答案】

【答案解析】recognize。
[听力原文]
We"ve already found more than a million species, / but unearthing the rest was thought to be an impossible task. / But now it seems an army of scientists have taken up the cause. / A new study concludes that we"re in a golden age of discovery, / with 20,000 new finds charted each year. / There could also be far fewer plants and animals left for them to find. / The researchers say rather than tens of millions of species living on Earth, / there could be between two and eight million. / The scientists also looked at the numbers of species going extinct, / and said this had been overestimated. /

[解析] 本文主题：地球上的物种。文中时态多样，有现在时、过去时、完成时，在听写时需要注意。文中需要注意的较易拼错的单词：“species，discovery，extinct”，需要注意时态和单复数的单词：“unearthing，charted，overestimated”。 recognize。