They refused to _________ that they were defeated.

They refused to acknowledge themselves beaten.

His criticism is just. I acknowledge that.

Mr. Green is generally ___________ to be /as expert on this subject.

2) 就...表示感谢

The candidate waved his hands to ___________the cheers of the crowd.

6. attach vt.附上, 系上, 贴上, 使依附, 使附属, 使附着

attachment n.

attach sth./sb. to sth./sb.

e.g.:

This middle school is ________ to a teachers' college.

He attached a label to his baggage.

We are much attached to each other.

7. make a difference 起作用，有影响；有区别

e.g.:

The sea air has _________________________to her health.

It won't make any difference to us; make no mistake about it.

Flowers make no difference to this room.

8.Classify to arrange sth. in groups according to features that they have in common

n. classification

(classifies, classifying, classified, classified)

e.g.:

The books in the library are _____________ according to

subject. (根据科目分类）

Biologists classify animals and plants into different

groups.（把动植物分成不同类别）

In law, beer is classified as a food product.

9. The first is its value for people who are looking for information.

value

n.

1) [S or U] the importance or worth of something for someone:

e.g.:

For them, the house's main ___________ lay in its quiet country location.

2) [U] how useful or important sth. is:

e.g.:

The photos are of immense historical value.

His contribution was of little or no practical value.

3) the amount of money which can be received for sth.:

e.g.:

She had already sold everything of ________ that she possessed.

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