2. 外语
  3. The first paragraph of the text deals mainly with the earth atmosphere’s ______. According to the text, the fundamental cause o

The first paragraph of the text deals mainly with the earth atmosphere’s ______. According to the text, the fundamental cause o

admin2009-04-23  49
问题 The first paragraph of the text deals mainly with the earth atmosphere’s ______.
According to the text, the fundamental cause of the ice ages is ______.
选项 A、periodic changes in the earth’s orbit around the sun
B、fossil remains of one-celled animals
C、alternating cold and warm seasons
D、changes in distance of the earth from the sun
答案A
解析 事实细节题。第三段结尾指出：“地球轨道结构的变化导致了冰川期。”
转载请注明原文地址:https://kaotiyun.com/show/o637777K
0

大学英语四级

相关试题推荐
随机试题
最新回复(0)