3 . This theory may provide a ______ explanation for the origins of the universe.

A．promising

B．convincing

C．rewarding

D．demanding

4 . 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. man-made B. giving you pleasure C. the result of an event D. interesting and attractive E. a thing to replace another F. giving useful facts or ideas G. a speech-recognition application

1. We are confident of a successful outcome.
2. Please find me an alternative for the computer.
3. Television is believed to be more informative than newspapers.
4. In recent years, the artificial lake has become increasingly popular.
5. The job is so rewarding and I don’t even feel tired after a whole day’s work.

7 . Highly motivated students find learning pleasant and         , and therefore maintain a strong desire to explore more.

A．realistic

B．rewarding

C．solid

D．substantial

8 . 请匹配单词及其英文解释。

A.worth doing B.very surprising C.being the only one of its kind D.expecting good things to happen E.a prize for doing something well F.unable or unlikely to cause damage G. showing or feeling happiness or satisfaction

1. amazing
2. harmless
3. contented
4. optimistic
5. rewarding

9 . 词义匹配，找出与划线词相匹配的英文解释。

A. widely accepted and used for a long time. B. （of an activity, etc）worth doing. C. qualities that exist and can be developed. D. a way of pronouncing the words of a language. E. public praise and reward for sb's work or actions. F. the act of remembering who somebody is when you see them. G. simple and attractive

1. She has the potential to become a world-class musician.
2. At last, her father's work has received popular recognition.
3. Professor and researcher Elaine Fuchs says it's incredibly rewarding to work in scientific research.
4. She didn't change the steps of classical ballet. Instead, she found new ways of using them.
5. A study of British accents during the 1970s found that a voice sounding like a BBC newsreader was viewed as the most attractive voice.

10 . 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 fill a space B. to suffer pain C. to get well again D. a wish to do something E. a person seen not clearly F. unforgettable or memorable G. giving someone satisfaction or pleasure

1. It will take her some time to recover from the injuries.
2. John has a strong desire to play for the school basketball team.
3. Problems at work continued to occupy his mind for some time.
4. We can see a tall figure with an expression of anxiety in the painting.
5. Learning English was the most difficult yet rewarding experience in my life.