A-A+

The use of blue lights to reduce suicides __.

2022-08-06 11:40:22 问答库 阅读 179 次

问题详情

The use of blue lights to reduce suicides __. A.has no result yet B.is proved effective C.is welcomed by suicides D.has been refused by stations

参考答案

正确答案:A
全文中多处提到,无论从科学的角度还是试验的角度,都还没有结果表明蓝色的灯是否会真的起作用。

考点: