你是没读懂原文的意思.
原文是说,random violent events 并没有被人发现（suspected）,直到a few decades ago.
也就是说几十年前,人们还不知道地球会遭受一些无法预测的星体的撞击.
而不是说,几十年前,地球才开始有这个危险.
这个危险是一直存在的,只是几十年前人们才意识到.
懂了吗
这种题只要你读懂意思,然后把主干都抓出来,就选得对了
一道托福阅读题求解释,Paragraph 7:【Earth is a target in a cosmic shooti
2个回答
相关问题
-
subject to 用法Earth is a target in a cosmic shooting gallery,
-
旧托福一道选错题,The orbit of a celestial body is usually in the sha
-
托福TPO18的一道阅读题!有疑问
-
Fffes is targeting a mid-single digit percentage increase in
-
单选题 解释好的话还有分Odd though it sounds,cosmic inflation is a scien
-
英语阅读理解如图,According to paragraph 3,diners changed in_____A.tw
-
一道阅读题,帮帮忙,急用Lucy is my friend. She lives in a small house ne
-
问一道托福题Paragraph5:Scientists have known for some time that ce
-
求一道英语阅读题!Paul has a small sports collection.In it he has six
-
the earth is shaking______ A.in a moment B.a moment later C.