1. With new technology, cameras can take pictures of underwater valleys _____ color.
A. within
B. for
C. in
D. by

2. _____ the fifth largest among the nine planets that make up our solar system.
A. The Earth is
B. The Earth being
C. That the Earth is
D. Being the Earth

3. In mathematics, a variable is a symbol _____ some element of a set.
A. and representing
B. represents
C. that represents
D. represents that

4. _____ actress’s life is in many ways unlike that of other women.
A. An
B. A
C. As the
D. That the

5. About 20 miles from Boston, _____ a little town named Concord that has a rich history.
A. has
B. there is
C. there are
D. where is

6. An adviser to both Franklin Delano Roosevelt and Harry Truman, _____ of Bethune-Cookman College.
A. Dr. Mary Mcleod Bethune was the founder
B. Dr. Mary Mcleod Bethune, who was the founder
C. the founder was Dr. Mary Mcleod Bethune
D. did the founder Dr. Mary Mcleod Bethune

7. Warmth, moisture, and oxygen are three necessary requirements _____ most seedlings.
A. for cultivating
B. for cultivate
C. as cultivating
D. can cultivate

8. In the West, the birth of a girl is welcomed with an enthusiasm _____ to that of a boy.
A. equally
B. equal
C. they are equal
D. and equal

9. A well-known large natural lake is Lake Tahoe, _____ straddles the California-Nevada border.
A. and
B. which
C. since
D. for

10. Before _____, they used horse-drawn wooden carts.
A. farmers have had tractors
B. tractors owned by farmers
C. having tractors farmers
D. farmers had tractors

11. Tuna, _____, may weigh up to 1,000 pounds.
A. is the sea giant
B. can be giants of the sea
C. one of the sea giants
D. the sea of the giant

12. Physical fitness exercises can cause injuries _____ the participants are not careful.
A. that
B. to
C. if
D. with

13. Total weight of all the ants in the world is much greater than _____.
A. to all human beings
B. all human beings is that
C. that of all human beings
D. is of all human beings

14. _____ for overall health.
A. Extra fiber in one’s diet is helpful
B. Extra fiber is one’s helpful diet
C. Helpful one’s diet is extra fiber
D. One’s diet is helpful in extra fiber

15. Elephants scratch themselves with sticks _____.
A. holding in their trunks
B. in their trunks holding
C. hold in their trunks
D. held in their trunks

16. In order to survive, trees rely to the amount of annual rainfall they receive, as well as the seasonal distribution of the rain.

17. The purchased of Louisiana was one of the biggest events in the history of the United States.

18. A future system of solid waste managements should begin with reduction in the amount of waste.

19. The tongue is the principle organ of taste, and is crucial for chewing, swallowed, and speaking.

20. The members of both the House of Representatives and the Senate are election by the citizens of the United States.

21. The human ear cannot hear a sound that vibrates less than 16 times the second.

22. Some tree frogs can alter their colors in order to blend to their environment.

23. If one is invited out to a dinner, it is perfectly proper to go either with or without no a gift.

24. Some birds, such as quails, can move instant from a resting position to full flight.

25. In 1961, America’s first manned spacecraft was launched out.

26. Geochemistry includes the study of the movement of elements from one place to another as a result of processes chemical.

27. Fireflies product light through a complex chemical reaction that takes place within their abdominal cells.

28. Wind is the motion that occurs when lighter air rises and cools heavier air replaces it.

29. Under the crust of the Earth are bubbling hot liquids that sometime rise to the surface.

30. Oceans of the world exerts strong influences on the weather over the Earth’s surface.

31. The Columbine flower can survive in almost any type of gardens condition in the United States.

32. Kiwi birds search the ground with the bills for insects, worms, and snails to eat.

33. If protect, a solar cell lasts for a long time and is a good source of energy.

34. The growth rate of the Pacific Rim countries is five times fast as comparable areas during the Industrial Revolution.

35. Drug abuse have become one of America’s most serious social problems.

36. The Commitments of Traders Report is released by the Commodity Futures Trading Commission on eleventh day of each month.

37. Heartburn can best be understood as a symptom causing by acid reflux due to a weak lower esophageal sphincter.

38. In 1903, when the Wright brothers announced they had invented a flying machine, his news was generally ignored.

39. Lasers are indispensable tools for delicate eyes surgery.

40. Alexander Calder, who was originally interested in mechanical engineering, later became a sculpture.