题库 > 语法SC > 题目e167er
题目内容
Sunspots, vortices of gas associated with strong electromagnetic activity, are visible as dark spots on the surface of the Sun but have never been sighted on the Sun's poles or equator.
  • Aare visible as dark spots on the surface of the Sun but have never been sighted on 分析该选项
  • Bare visible as dark spots that never have been sighted on the surface of the Sun 分析该选项
  • Cappear on the surface of the Sun as dark spots although never sighted at 分析该选项
  • Dappear as dark spots on the surface of the Sun, although never having been sighted at 分析该选项
  • Eappear as dark spots on the Sun's surface, which have never been sighted on 分析该选项
显示答案
正确答案: A
  • 题目解析

题目讨论

如果对题目有疑问,欢迎来提出你的问题,热心的小伙伴会帮你解答。

  • 优质讨论
  • 最新讨论
用户头像
已经输入0个字

题目基本信息

  • 所属科目:语法SC
  • 题目来源1:OG12-14
  • 题目来源2:OG15-17
  • 题目来源3:OG16-19
  • 题目来源4:OG17-687
  • 正确率:57%
  • 难度:

最新提问

关于GMAT
App下载
关注我们
联系我们
  • 考满分是专注于出国考试在线科学备考的留学生口碑
  • 品牌。已经服务了超过100万学生 ,累积学员备考记
  • 录超过10亿条,是出国留学考试领域新锐培训机构。