1. Typical of the grassland dwellers of the continent is the American antelope, or pronghorn.
* G8 |' l" ?% {$ a) k' G* ]- x 2. Of the millions who saw Haley's comet in 1986, how many people will live long enough to see it return in the twenty-first century.
8 K; T$ J. H9 C 3. Anthropologists have discovered that fear, happiness, sadness, and surprise are universally reflected in facial expressions.
% m; I6 m) S& F: F 4. Because of its irritating effect on humans, the use of phenol as a general antiseptic has been largely discontinued.
) U% u8 x0 U- n7 K9 r 5. In group to remain in existence, a profit-making organization must, in the long run, produce something consumers consider useful or desirable.8 `; ^( Q( k1 i, N; a
6. The greater the population there is in a locality, the greater the need there is for water, transportation, and disposal of refuse.! j9 h7 M4 O! y8 e. @
7. It is more difficult to write simply, directly, and effectively than to employ flowery but vague expressions that only obscure one's meaning.
! X1 ~) M/ L0 d5 w: H M 8. With modern offices becoming more mechanized, designers are attempting to personalize them with warmer, less severe interiors.; c9 M. L( M# Z, ~
9. The difference between libel and slander is that libel is printed while slander is spoken.
! d4 W7 A7 @1 y9 N% B 10. The knee is the joints where the thigh bone meets the large bone of the lower leg.
* E7 A2 l. s: m1 L3 J 11. Acids are chemical compounds that, in water solution, have a sharp taste, a corrosive action on metals, and the ability to turn certain blue vegetable dyes red.
* v, p) W4 ~4 c/ r: T8 t 12. Billie Holiday's reputation as a great jazz-blues singer rests on her ability to give emotional depth to her songs.
; f4 K' `/ O: E0 z" R/ r2 g 13. Essentially, a theory is an abstract, symbolic representation of what is conceived to be reality.3 K9 f8 s5 `9 X+ f. w) Y
14. Long before children are able to speak or understand a language, they communicate through facial expressions and by making noises.5 \3 w" U9 F" Z% i1 ]. H
15. Thanks to modern irrigation, crops now grow abundantly in areas where once nothing but cacti and sagebrush could live.- _/ R1 `, D+ h1 G; G) k. P
16. The development of mechanical timepieces spurred the search for more accurate sundials with which to regulate them.7 O8 M- k. b% ^
17. Anthropology is a science in that anthropologists use a rigorous set of methods and techniques to document observations that can be checked by others.3 [( j( `. c# V$ ^" b- z
18. Fungi are important in the process of decay, which returns ingredients to the soil, enhances soil fertility, and decomposes animal debris.. s2 t2 V4 \) V, C% i* [; {5 U$ u
19. When it is struck, a tuning fork produces an almost pure tone, retaining its pitch over a long period of time./ Q# l1 g- f" ~2 B
20. Although pecans are most plentiful in the southeastern part of the United States, they are found as far north as Ohio and Illinois. |