1 . The ______ balance of ecosystems needs careful management to make sure they are kept healthy and can last for a long time.

A．impressive

B．suitable

C．appreciative

D．delicate

2 . 根据句子内容，从每组的选项中选出能匹配句子中划线部分意义的选项。选项中有两项为多余选项。

A. to provide B. showing pleasure C. the cause of trouble or danger D. the act of destroying something E. changing from one stage to another F. to increase the quality, value or status G. protecting somebody or something against attack

1. Drugs present a major threat to our society.
2. The army took up a defensive position around the town.
3. There is worldwide concern about the destruction of the rainforests.
4. Food is there to keep you health y and enhance your enjoyment of life.
5. Mrs. Hastings’ eyes grow warmer and more appreciative with my every word.

3 . This study may________the tough problem which has puzzled academics for long.

A．play a part in

B．close in on

C．be appreciative of

D．throw light on

4 . We are ______ of your support and any words truly cannot express our ______ to you.

A．appreciative; appreciate	B．appreciate; appreciation
C．appreciative; appreciation	D．appreciate; appreciative

5 . If you are still ________ the situation here, you can communicate with the locals for more information.

A．appreciative of

B．satisfied with

C．unfamiliar with

D．bored with

6 . Mary is so ________ about painting art that she decides to imitate brilliant works from different painting masters.

A．appreciative

B．critical

C．enthusiastic

D．embarrassed

7 . It is because of the hunting of the human beings that many animals are ________ with extinction.

A．visual

B．endangered

C．accessible

D．appreciative

8 . He has always been ________ and fiercely competitive.

A．appreciative

B．ambitious

C．awe-inspiring

D．abstract

9 . 根据句子内容，从选项中选出能匹配句子中划线部分意义的选项。选项中有两项为多余选项。

A. thankful for something B. to make someone believe C. to make someone feel sad D. a place to give protection E. a feeling in a group of people F. to control someone or something G. working together towards an aim

1. As a boy, he was dominated by his mother.
2. She was appreciative of Greg’s concern for her health.
3. The hotel offers a friendly atmosphere and personal service.
4. You’ll need to convince them of your enthusiasm for the job.
5. They city provides a shelter for the homeless from the other city.

10 . 根据句子内容，从每组的选项中选出匹配句子中划线部分意义的选项。选项中有两项为多余选项。

A. be grateful for sth.. B. having very strong feelings or emotions. C. the feeling that sb/sth is good or acceptable. D. a very rich person who has money of at least one million pounds or dollars. E. the difference between two or more people or things. F. the reason or reasons that one has for acting or behaving in a particular way. G. the similarities between two or more people or things.

1. They may be more likely to seek their peers’ approval.
2. You’re always appreciative of what you have and what other people have done for you.
3. For a lot of people, becoming a millionaire is a great success.
4. In contrast to extroverts, they value fewer, but deeper experience.
5. Introverts look inside themselves for energy and motivation.