问题
单项选择题
根据联合国制定的标准小康水平所代表的恩格尔系数为（）。
A.30％-40％
B.50％-60％
C.40％-50％
D.15％-35％
答案
参考答案：C
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根据联合国制定的标准小康水平所代表的恩格尔系数为（）。
A.30％-40％
B.50％-60％
C.40％-50％
D.15％-35％
参考答案：C
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been found on earth during the 2 55 million years. Only two kinds are 3 alive today. The African Elephant and the Asian (or Indian ) Elephant. These elephants can only be found in 4 places. The older kinds, which lived a long time ago, lived in colder places. An 5 is the mammoths-the largest hairy elephants. Mammoths were about the size of the largest living elephant, which is about seven 6 . Unlike the elephants today, mammoths had 7 or dark brown hair covering their bodies. All the mammoths had tusks (象牙), and we can 8 this from their fossil teeth. Scientists found out about most of the extinct (绝迹) animals by studying the fossils, such as their bones and teeth that have been found. However, mammoths are quite different. During the Ice Age, mammoths died and were covered 9 in the ice. The ice kept them well. While many animals only left behind bones and teeth, scientists found the whole body of the mammoth. 10 the whole mammoth has been kept well, scientists can see even the hair, the tusks and the whole body. |