[重点用法]

substitute A for B用A代B

substitute sb. by [with] another用别人接替某人

[典例]

1) In modern society, people accept to use plastics as a substitute for steel.

2) In modern society, people substitute plastic for steel.

在现代社会中人们用塑料做钢的代用品。

3) He substituted as the typist in the office. 他代替做这个办公室的打字员。

2. acknowledge vt. 承认；确认；答谢

[重点用法]

It's(universally)acknowledged that... ......是大家所公认的

acknowledge(doing)sth/ that(从句). 承认(做了)某事/承认......

复合结构：(承认某人／某物为......)

acknowledge sb.(sth. )+n. / as +n. / +to be +n.

acknowledge sb. with... 以......对某人表示感谢 '

acknowledge the applause谢幕

acknowledge a favor／help答谢所受到的关照／帮助

[典例]

1) When asked about the receipt of Tom's letter, he acknowledged it .

当问到是否收到汤姆的信件，他承认收到了。

2）He was acknowledged with a present for his long service with the company.

在公司服务多年，他因此受到表扬。

3）It is acknowledged that he is the finest poet in the flesh. 大家公认他是目前最棒的诗人。

3. occupy vt.占有；占领；占据

[重点用法]

occupation n. 职业

keep sb. occupied使某人忙碌；

occupy oneself with／in(doing) sth. 忙于(做)某事；

be occupied in(doing)／with sth. 忙于(做)某事，正在做某事； '

[典例]

1) The workers are occupied in building new houses. 建筑工正忙于建造新房子。

2) Please fill in the form stating your occupation.请在表格中填入你的职业。

4. govern vi.&vt.统治；支配；管理

[重点用法]

government n. 统治；管辖；政府；

governor n. 统治者；管理者；地方长官；主管人员；总督；县[市，省]长，[美]州长；