21. Eliminating problems by transferring the blame to others is often called scape-goating.# q& r- W% w; u: B6 T
22. The chief foods eaten in any country depend largely on what grows best in its climate and soil.& A: E* B5 O8 G m
23. Over a very large number of trials, the probability of an event's occurring is equal to the probability that it will not occur.
) p2 g' D: r" X/ E 24. Most substance contract when they freeze so that the density of a substance's solid is higher than the density of its liquid.
6 ?; E$ v/ r' [- ^- B$ H 25. The mechanism by which brain cells store memories is not clearly understood.
+ N. b" a9 T: v/ J 26. By the middle of the twentieth century, painters and sculptors in the United States had begun to exert a great worldwide influence over art.
: c- y1 `. |6 P 27. In the eastern part of New Jersey lies the city of Elizabeth, a major shipping and manufacturing center.2 \+ L* A, v$ M
28. Elizabeth Blackwell, the first woman medical doctor in the United States, founded the New York Infirmary, an institution that has always had a completely female medical staff.1 `8 t5 z S8 Z! j2 w
29. Alexander Graham Bell once told his family that he would rather be remembered as a teacher of the deaf than as the inventor of the telephone.
: Q! t) {' S# O9 O 30. Because its leaves remain green long after being picked, rosemary became associated with the idea of remembrance.
9 g c5 L7 I7 s5 K- _ 31. Although apparently rigid, bones exhibit a degree of elasticity that enables the skeleton to withstand considerable impact.& |* m, u# @/ G1 M5 X# T
32. That xenon could not form chemical compounds was once believed by scientists.
1 u- \! h/ a9 E) n! h 33. Research into the dynamics of storms is directed toward improving the ability to predict these events and thus to minimize damage and avoid loss of life.# ?8 |# g* L+ b+ d. K$ K
34. The elimination of inflation would ensure that the amount of money used in repaying a loan would have the same value as the amount of money borrowed.
% g" j5 `) j; `! j% C0 c 35. Futurism, an early twentieth-century movement in art, rejected all traditions and attempted to glorify contemporary life by emphasizing the machine and motion.9 \5 W8 R2 @* F2 M4 ?; L+ f& E8 Z
36. One of the wildest and most inaccessible parts of the United States is the Everglades where wildlife is abundant and largely protected.
& t! K' a0 C9 ? 37. Lucretia Mott's influence was so significant that she has been credited by some authorities as the originator of feminism in the United States./ Y% W- _/ w! O: |$ [
38. The activities of the international marketing researcher are frequently much broader than those of the domestic marketer.
0 T, ^8 N# V; i( [ 39. The continental divide refers to an imaginary line in the North American Rockies that divides the waters flowing into the Atlantic Ocean from those flowing into the Pacific.
4 P: |, f) B6 C2 s+ U. y 40. Studies of the gravity field of the Earth indicate that its crust and mantle yield when unusual weight is placed on them. |