【coltan】...Coltanisametallicore(金属矿石)thatisminedbothin....

【coltan】...Coltanisametallicore(金属矿石)thatisminedbothin....

【答案】 77．D．细节理解题．根据第一段The mining of clotan within the Congo River Basin is contributing to forest loss there，and is speeding up the loss of mountain gorillas at a shockingly fast rate可知你可以通过捐赠你的手机拯救大猩猩因为这会减少因开采而造成的栖息地的减少；故选D．78．A．细节理解题．根据文章Helping Melbourne Zoo raise money to support the Jane Goodall Institutes monkey conservation work in Africa through the sale of refurbished （翻新） phones可知你捐赠的电话将被翻新再次出售；故选A．79．B．细节理解题．根据文章Schools can get involved too!Please contact Kate McCabe at Melbourne Zoo by email or phones （03）9285-9471可知如果一个学校对这个项目感兴趣可以发送一封电子邮件给Kate McCabe；故选B．80．A．句意理解题．根据文章Next time your mobile phone rings，let that be a reminder that"they're calling on you"可知下次你的手机响了，让它提醒你"他们在召唤你"；意为你将捐赠手机保护野生动物；故选A．

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