[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。

[练习] 汉译英

1) 你不在时,新来的大学生会代替你的位置。

___________________________________________________________________________________

2) 助手代替班长去参加了校会.。

___________________________________________________________________________________

keys: 1) The newly coming college student will be your substitute in your absence. 2) The monitor was

substituted by his assistant to attend the school meeting.

1. 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。

[练习]根据括号里的汉语补全句子。

1) The candidate________________ was cast down very much．

(这位承认自己在选举中失败的候选人感到很沮丧。)

2)With the depressed economy，________________________．

(由于经济萧条，政府承认有改革的必要。)

3)With the evidence offered_____________________________．

( 由于所呈贡的证据，我承认他的陈述是真实的。)

4)With the monitor video shown，he had to________________ from his classmate's desk inside．(由于监

控录像显,他不得不承认从同学桌子里偷了手机。)