2010年高考英语一轮复习学案:Unit 2 Working the land《新人教版必修4》
2010年高考英语一轮复习学案:Unit 2  Working the land《新人教版必修4》第4页

[重点用法]

regret to say/tell/announce/inform 遗憾地说/告诉/宣布/通知

regret doing / having done sth. 后悔已做了某事 regret that 遗憾/后悔...

[练习] 用括号内所提供词的适当形式填空或翻译。

1). I now regret _______ (leave) school so young.

2). _______ _______ _______ _______(非常抱歉), I am unable to accept your invitation.

3). I regret _______ (inform) you that your contract will not be renewed.

Keys: 1). leaving / having done 2). Much to my regret/To my great regret 3). to inform

4. reduce vt.&vi. 减少;减缩 reduction n.缩减,减少,降低

[典例]

1). He reduced his weight from 98 to 92 kilos/by 6 kilos. 他把体重从98公斤减少到92公斤。

2). The reform has reduced us to servants of the State. 这一改革把我们都降为公务员了。

[重点用法]

reduce sth (from...) to... 把某物从......减少到...... reduce sth. by... 减少多少

[练习] 根据句子意思填入正确的介词。

1). We must reduce our expenses ______ 300 yuan a month.

2). Their output has been reduced ______ 10 percent.

3). He reduced his weight ______ 6 kilos.

Keys: 1). to 2). by 3). by

5. focus vt.&vi. 集中(注意力);聚焦 n. [c,u] 焦点;中心点

[典例]

1). Focus your camera. 把照相机的焦距调准。

2). Her beauty makes her the focus of attention. 她长得漂亮, 很惹人注目。

[重点用法]

focus on集中于 focus (one' s attention/mind/efforts) on集中(注意力/心思/精力)于

[练习] 按要求填空或翻译。

1). The focus of recent research has been _______ (介词) environmental issues.

2). All eyes _______ _______ (集中于) her.

3). They focused their mind on ______ (do) the experiment.

Keys: 1). on 2). focussed on 3). doing

[典例]

1). The scandal caused a lot of comment. 这件丑闻遭到很多议论。

2). "Will you resign, Minister?" "No comment!""部长,你是要辞职吗?""无可奉告。"

[重点用法]

comment on/about sth./sb. 对某事/某人评论

make comments/no comment on sth./sb. 对某事/某人评论/不进行评论

[练习] 按要求填空或翻译。

1). Have you any comment(s) _______ (make) on the recent developments?

2). Asked about the date of the election, the Prime Minister _______ _______ (发表意见) no decision had yet been made.