四级lions have disappeared from much of Africa, but for the past few years scientists have wondered if the big cats were hanging on in remote parts of Sudan and Ethiopia.
狮子已经在非洲大部分地区消失了,但在过去的几年里,科学家们一直想知道这些大型猫科动物是否在苏丹和埃塞俄比亚的偏远地区生存。
2017年12月四级真题(第二套)听力 Section A
四级with the exception of South Africa, the only light rail metro system in sub-Saharan Africa is in Addis Ababa, Ethiopia.
除南非外,撒哈拉以南非洲唯一的轻轨地铁系统位于埃塞俄比亚的亚的斯亚贝巴。
2017年12月四级真题(第三套)阅读 Section C
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