专升本考试

根据网考网考试中心的统计分析，以下试题在2019/6/25日专升本考试习题练习中，答错率较高，为：71%
【单选题】Many animals have an excellent sense of smell, which they use in hunting. On the other hand, their eyesight may be poor.Dogs, for example, have poor eyesight and no color vision. They see only shades of gray.But the dog’s sense of smell is extraordinary,
The kind of dog known asAlsatian has 220 million olfactory (嗅觉) cells. Man has five million. Scientists believe that theAlsatian is one million times better than man in finding out odors.
The human sense of smell, however, is really quite gooD、The average human being can distinguish more than 10,000 different odors.
TheAlsatian’s olfactory cells are ______times as many as man’s.A．forty-four
B．one million
C．220 million
D．10,000

网考网参考答案：A，答错率：71%
网考网试题解析：
通过句子“The kind of dog known as Alsatian has 220 million olfactory(嗅觉)cells． Man has five million．”进行计算可知答案。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>