A. River Rising! River Rising! B. Forests and Floods
C. Flooding in the U. S. D. The Results of Flooding
27. All of the following cause floods EXCEPT______.
A. heavy rain B. melting snow
C. increasing storm runoff D. porous soil
28. The author states that______.
A. lakes and swamps once acted like natural reservoirs
B. up-and-down hill plowing catches and stores water
C. stream channels are the best carriers of water
D. floods are easily prevented and controlled
29. According to the selection, streams overtop their banks partly because______.
A. material from higher land is washed into them
B. ditches and drains lead into them
C. rivers become too swift
D. snow melts more rapidly nowadays
30. The floods which are given most publicity______.
A. cause no damage
B. cause the most damage
C. cause less agricultural damage than the many smaller, more frequent floods
D. far exceed the smaller, more frequent floods in agricultural loss
26. C 27. D 28. A 29. A 30. C
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