20xx秋九年級英語全冊 unit 13 we’re trying to save the earth saturday復現(xiàn)式周周練課件 新人教版(文件)
【正文】 n Russia， China，Korea and Japan. The mandarin duck is on water near forests. However， forests and rivers are disappearing(消失 ). It makes the mandarin duck fewer and fewer. (Section B 3aSelf Check) There are now fewer than③ 2， 000 pandas living in the remaining forests. Another 200 or so live in zoos or research centers in China and other countries. Pandas do not have many babies， maybe only one every ten years. The babies often die from④ illnesses and do not live very long. (Section B 3aSelf Check) As humans started to cut down the bamboo forests， there was less bamboo for the pandas. As the forests get smaller⑤ and other human activities cause more problems， pandas are also in danger. ( )1. The greater horseshoe bats are endangered because ______. A. they have no
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