11. The early railroads were _____the existing arteries of transportation: roads turnpikes, canals, and other waterways.
(A) those short lines connected
(B) short lines that connected
(C) connected by short lines
(D) short connecting lines
12. ______ as a masterpiece, a work of art must transcend the ideals of the period in
which it was created.
(A) Ranks
(B) The ranking
(C) To be ranked
(D) For being ranked
13.Jackie Robinson, _______ to play baseball in the major leagues, joined the Brooklyn Dodgers in 1947.
(A) the Black American who first
(B) the first Black American
(C) was the first Black American
(D) the first and a Black American who
14. During the flood of 1927, the Red cross,______out of emergency headquarters in
Mississippi , set up temporary shelters for the homeless.
(A) operates
(B) is operating
(C) has operated
(D) operating
15 . In bacteria and in other organisms,______is the nucleic acid DNA that provides the genetic information .
(A) both
(B) which
(C) and
(D) it
16. Twenty to thirty year after a mature forest is cleared away, a nearly impenetrable thicket of trees and shrubs develops.
17. The first national park in world, Yellowstone Natinna1Park, was established in 1872.
18.Because it does not have a blood supply, the cornea lakes their oxygen directly from the air.
19. Magnificent mountains and coastal scenery is British Columbia s chief tourist attractions.
20. Scientists at universities are often more involved in theoretical research than in practically research.
21. John Rosamond Johnson he composed numerous songs, including Lift Every Voice and Sing, for which his brother, James Weldon Johnson, wrote the words.
22. Nylon, a synthetic done from a combination of water, air, and a by-product of coal, was first introduced in 1938.
23. Ornithology, the study of birds, is one of the major scientific fields in which amateur play a role in accumulating, researching, and publish data.
24. Animation is a technique for creativity the illusion of life in inanimate things.
25. The nonviolent protest advocated by Dr. Martin Luther King, Jr., proving highly effective in age of expanding television news coverage.
26. On December 7,1787, Delaware became a first stale to ratify the Constitution .