专四专八考试

解析：Which of the following is NOT true

来源:网考网专四专八 所有评论

【单选题】Which of the following is NOT true about the ultrasonic torch


A．It enables the blind to live a more normal life.
B．It is mainly used to scan the area in front of the operator for obstacles.
C．Fast succession of bleeps indicates that the obstacle is near.
D．Its sound can warn other people of the blind man’s approac


网考网参考答案：D
网考网解析：
A项可从倒数第四段the torch could help a blind person to lead a more normal life得到根据；B项可从倒数第五段a person holding the torch can point it ahead of him and "scan"...得到证实；C项可从倒数第五段the closer the obstruction the faster the succession of bleeps得到证实；只有D项无出处。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>

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