题目内容
【题目】The frequency of airline crashes is basically ______, but they do sometimes come in bunches.
A. random B. alarming C. countless D. steady
【答案】A
【解析】
考查形容词。A. random任意的;B. alarming令人担忧的;C. countless无数的;D. steady稳定的。句意:飞机失事的频率基本上是随机的,但有时确实是成群结队的。结合句意可知答案为A。
![](http://thumb2018.1010pic.com/images/loading.gif)
练习册系列答案
相关题目