2. 外语
  3. The relation of the earth on its axis is responsible for the_____of periods of light and darkness.

The relation of the earth on its axis is responsible for the_____of periods of light and darkness.

admin2015-01-09  37
问题 The relation of the earth on its axis is responsible for the_____of periods of light and darkness.
选项 A、alteration
B、alternation
C、alternative
D、altercation
答案B
解析 各项的意思是：alteration“变更，改造，变动”；alternation“交替运转，轮流，间隔”；alternative“二中择一，可供选择的事物”；altercation“争吵，口角”。
转载请注明原文地址:https://kaotiyun.com/show/D6LO777K
0

考博英语

相关试题推荐
随机试题
最新回复(0)