The 20th century many new means of munication，like radios, televisions, telephones and the Internet.
A. foresaw
B. inspected
C. scanned
D. witnessed
网友回答
A. foresaw
B. inspected
C. scanned
(答案→)D. witnessed
解析：这题考查动词辨析：．Foresaw预见，inspected视察，scanned扫描，浏览。Witnessed见证，句意是：20世纪见证了很多新的信息方式，象广播，电视，电话和网络。选D。