A-A+

Nanotechnology has resulted in a wide range of

2022-08-01 21:29:06 问答库阅读 167 次

问题详情

Nanotechnology has resulted in a wide range of amazing, practical discoveries such as stain- resistant trousers and self-cleaning toilets.
A．Y
B．N
C．NG

参考答案

正确答案：S
解析：参见第3段：还有不少其他重大发现——也许没有如此神奇，但是很实用舒适，比如：无异味的袜子，抗污渍的裤子，抗灰尘的窗户以及自动清洁马桶等。