{同义词}
accomplishment arithmetical mean mean amount mean medium midpoint standing ratio normal the general the ordinary the rule the standard the typical the usual
{反义词}
maximum minimum abnormal conspicuous bad different dreadful excellent exceptional extraordinary extreme fine good awful great horrible noticeable outstanding remarkable special surpassing terrible terrific unusual tremendous uncommon wonderful
{词义辨析}
average mean median
这几个词都有“平均、平均数”之意。其区别是:
average 是“平均”或“平均数”的意思。它指的是把两个或两个以上的数相加的和除以相加的数的个数而得的商数。mean 有“平均”或“平均数”的意思但实际上指的是最大数和最小数之间的中数即把二者相加的和除以2所得的商数。median 是“中位数”的意思它指的是按大小次序排列的一列数字中居中间的位置的那个数。试体会下面两句中这三个词的含义。
The average of a group of five workers earning respectively 3458 and 10 dollars a day is six dollars a day whereas the median is 5 dollars. 有五个工人每天分别挣钱3458和10元这组工人收入的平均数为每天6元中间位是5元。
The mean temperature for a day with a high of 56°and a low of 34° is 45°.某日的最高气温为56°最低气温为34°其平均气温为45°。
{词汇应用}
1.The average of 46 and 8 is 6.
46 8的平均数是6。
2.Temperatures are below average for the time of year.
温度低于此时的年平均温度。
3.Tom's work at school is above the average.
汤姆的功课是中上等水平。