题目内容

The 20th century________ many new means of communication，like radios, televisions, telephones and the Internet.
A．foresawB．inspectedC．scannedD．witnessed
D
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。
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