A-A+
Most of the extrasolar planets already known t
问题详情
Most of the extrasolar planets already known to us
A.were found by telescopic means.
B.were found by Galileo and Kepler.
C.were found thanks to hi-tech development.
D.were found in the latest two decades.请帮忙给出正确答案和分析,谢谢!
参考答案
正确答案:C
解析:推理判断题。由题干关键词可将信息定位在第四段。该段最后一句谈到,其中只有少数天体是使用望远镜发现的。由此推断出大多数太阳系以外的行星是通过高科技装备发现的,因此选[C]。根据原文可知[A]和[B]是对第四段尾句的错误理解;而选项[D]“发现于最近二十年”,原文中没有提到。