下载APP
举一反三
【多选题】关于泥河湾遗址群表述正确的有（）
A.
位于张家口阳原县境内
B.
属于新石器时代文化遗存
C.
小长梁遗址首次发现了距今200万年以前人类进餐遗迹
D.
马圈沟遗址被镌刻在北京中华世纪坛270米青铜甬道第一个台阶上
E.
被列为全国重点文物保护单位
【单选题】Passage One The climate of earth has fluctuated quite a bit over the last 4.6 billion years of our planet’s history and it can be expected that the climate will continue to change. One o...
A.
The climate of earth has fluctuated quite a hit over the last 4.6 billion years.
B.
An increase in the earth’s temperature will have major consequences for all life on this planet.
C.
The information we have got makes us unable to explain the global warming completely.
D.
The Pleistocene began about 1.8 million years ago.