2. 外语
  3. Sulphur has occasionally been found in the earth in an almost pure state.

Sulphur has occasionally been found in the earth in an almost pure state.

admin2009-06-15  179
问题 Sulphur has occasionally been found in the earth in an almost pure state.
选项 A、regularly
B、accidentally
C、sometimes
D、successfully
答案C
解析
转载请注明原文地址:https://www.kaotiyun.com/show/NDhd777K
本试题收录于： 职称英语理工类基础题库职称英语分类
0

职称英语理工类基础

职称英语

相关试题推荐
随机试题
最新回复(0)