2014年5月托福考试模拟试题及答案(第五套)_第7页

11. ---- one after another, parallel computers　perform groups of operations at the same time.

　　(A) Conventional computers, by handling tasks

　　(B) Since tasks being handled by conventional　computers

　　(C) Whereas conventional computers handle　tasks

　　(D) While tasks handled by conventional　computers

　　12. The Liberty Bell, formerly housed in　Independence Hall, --- in Philadelphia, was　moved to a separate glass pavilion in 1976.

　　(A) which a historic building

　　(B) a historic building which

　　(C) was a historic building

　　(D) a historic building

　　13. Fossils, traces of dead organisms found in the　rocks of Earth’s crust, reveal --- at the time the　rocks were formed.

　　(A) what was like

　　(B) was like life

　　(C) what life was like

　　(D) life was like

　　14. Although the huge ice masses ---- glaciers　move slowly, they are a powerful erosive force　in nature.

　　(A) call them

　　(B) are called

　　(C) to call

　　(D) called

　　15. The soybean contains vitamins, essential　minerals, --- high percentage of protein.

　　(A) a

　　(B) and a

　　(C) since a

　　(D) of which a

　　16. A gene is a biological unit of information who directs the activity of a cell or organism during its

　　A B C D

　　lifetime.

　　17. The flowering of African American talent in literature, music, and art in the 1920’s in New York City

　　A B C

　　became to know as the Harlem Renaissance.

　　D

　　18. The symptoms of pneumonia, a lung infection, include high fever, chest pain, breathing difficult, and

　　A B C D

　　coughing.

　　19. The rapid grow of Boston during the mid-nineteenth century coincided with a large influx of

　　A B C

　　European immigrants.

　　D

　　20. In 1908 Olive Campbell started writing down folk songs by rural people in the southern Appalachian

　　A B C

　　mountains near hers home.

　　D