Scientists have been trying to______what factors can cause aging.A、find outB、tu

游客2025-03-27 30

问题 Scientists have been trying to______what factors can cause aging.

选项 A、find out
B、turn out
C、set out
D、carry out

答案 A

解析该句意为：科学家一直在努力研究导致衰老的因素。find out：查明，发现，了解(about)，弄清楚(与find的区别在于常接疑问词引导的从句，并不是强调“结果”)；turn out：后来发现，生产；set out：出发，着手，布局，陈述；carry out：执行，落实，履行，进行

转载请注明原文地址:http://tihaiku.com/zcyy/4014422.html

相关试题推荐

随机试题

最新回复(0)

Desertification,broughtaboutbyhuman-inducedfactorsandclimatechange,