______ ________
CD
17. The elephant relies more on its sense of smell than for any other sense.
____ ________
A B C D
18. A few of the naturally elements exist in such small amounts that they are known
______ ______
A B
mainly from laboratory-made samples.
_____ ______
CD
19. Some insects hear ultrasonic sounds more than two octaves than higher humans
_____ __________ ________
ABCD
can.
20. Because of its larger size, the United States House of Representatives is more
__________ ___
ABC
impersonal, hierarchical, and specialization than the Senate.
__________
D
21. To stay warm in cold weather, cold-blooded animals must expose itself to
_____________
AB
a source of warmth such as direct sunlight.
____________
C D
22. A severe illness where she was just nineteen months old deprived the
_____ _________
AB C
well-known writer and lecturer Helen Keller of both her sight and her hearing.
______
D
23. Like all ecological systems, a forest is made up of a living environment and
__________
A
a nonliving environment , the latter composed of air, rocks, soiled, and water.
______ _______
BC D
24. The purposeful of the elementary school is to introduce children to the skills,
________ _________
A B
information and attitudes necessary for a smooth adjustment to society.
_____________
C D25. Notorious as a host for wheat rust, the barberry bush has been banned from
_____________
AB C
many area.
___
D
26. Christopher Plummer is a Canadian actor who has starred in stage, television,
______ ______
A BC
and film productions on both sides the Atlantic Ocean.
_______
D
27. A microphone enables musical tones to be amplified, thus making it possible the
_____ ___________ _____________
AB C
gentle renditions of soft songs in large halls.
___
D
28. The poetry of e. e. cummings illustrates the way in which some poets bend
____________ ________
AB
grammatical roles as they strive to expression their insights.
__________ ________
C D
29. In the wild, tea plants become trees of approximately thirty feet in high.
__________ _____________
A B CD
30. Accounting is described as art of classifying, recording, and reporting significant
__________________
ABC
financial events.
_____
D
_____________________
A BCD
32. The ordeal of the Cherokee Indians, who were forcible moved from their
_______________
AB
homeland in the 1830 s, is remembered as the "Trail of Tears".
_______________
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CD
33. Physical fitness activities can lead to an alarming variety of injuries if participants
___________
AB
push themselves greatly hard.
_____________
C D
34. The structure but behavior of many protozoans are amazingly complex for
_______________
ABC
single-celled animals.
_____
D
35. Alaska s rough climate and terrain divide the state into isolated regions, making
_____________________
A B C
highway maintenance difficulty.
______
D
36. For hundreds of years, sailors relied on echoes to warn them of another ships,
______ ______ ______
A B C
icebergs, or cliffs in foggy weather.
____
A
37. Although he is employed in the scientific and technical fields, the metric system is
____ ____________
ABC
not generally utilized in the United States.
_____
D
38. Prototypical oboes did a loud, harsh tone, but the modern oboe is appreciated
__ ____ ____
A BC
for its smooth and beautiful tone.
_______________
D
39. Beneath the deep oceans that cover two-thirds or the Earth, intriguing secret of
______________
A BC
the planet are concealed.
________
D
40. The pioneer John Chapman received the nickname "Johnny Appleseed" because
_______
A
he planted apple seedlings during him travels in what are now Ohio, Indiana, and
_________________
B CD
Illinois.
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