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Keys: 1) The contract stated when the work should be finished. 2) I heard the official state that they would

not accept children.

4. range n.行列, 范围；vt. 排列, 归类于

[重点用法]

beyond the range of...超越......的范围

out of one's range某人达不到的

range oneself站在......的方面

range from... to ... / between... and ...从......到......不等

[练习] 根据汉语提示，补全英语句子。

1) The shop keeps____________________(商品品种多) .

2)_____________(年龄范围)i s from six to twelve years old.

3)The temperature__________________________(在15度到35度之间).

4)We should _______________(列身于; 站在......的方面)on the side of law and order.

Keys: 1)a wide range of goods 2) The age range 3) ranges from 15 to 35 degrees 4)range ourselves

5． average adj.平均的;一般的，普通的，中等的 n.平均，平均数

[典例]

1) His average result of this three subjects is 96. 他三科的平均成绩是96。

2) The average of 4, 8, and 60 is 24。 4、8和60的平均数是24。

[重点用法]

above the average 高于平均水平

below the average在一般水平以下

on the average平均, 按平均数计算; 一般地说

[练习] 汉译英

1) 他在我们班处于中等位置。

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2）这一地区农民的收入高于全省的平均水平。

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Keys: 1) He is an average student in our class. 2) The income of the farmers in this area is above the average of the province.

1） existence n.生存

[典例]

1) Anything in existence is reasonable.所有的存在都是合理的。