24 A conductor uses signals and gestures to let the musicians to know when to play various parts
of a composition.
25 If a glass lizard loses its tails, a new one grows to replace it.
26 Many of the recording instruments used in vary branches of science are kymographs.
27 It was near end of prehistoric times that the first wheeled vehicles appeared.
28 Martin Luther King, Jr. s magnificent speaking ability enabling him to effectively express, the
demands for social justice for Black Americans.
29 Designers of athletic footwear finely tune each category of shoe to its particularly activity by studying human motion and physiology.
30 Gothic Revival architecture has several basis characteristics that distinguish it from other nineteenth-century architectural styles.
31 Since rats are destructive and may carry disease, therefore many cities try to exterminate them.
32 In the United States among 60 percent of the space on the pages of newspapers is reservedfor advertising.
33 Recently in the automobile industry, multinational companies have developed to the point where such few cars can be described as having been made entirely in one country. 34 Scientists believe that by altering the genetic composition of plants it is possible to develop specimens that are resisting to disease and have increased food value.
35 The purpose of traveler s checks is to protect travelers from theft and accidental lost of money.
36 The early periods of aviation in the United States, was marked by exhibition flights made bindividual fliers or by teams of performers at country fairs.
37 The American anarchist Emma Goldman infused her spirited lectures, publishes,
and demonstrations with a passionate belief in the freedom of the individual.
38 Being the biggest expanse of brackish water in the world, the Baltic Sea is of special interesting to scientists.
39 The main advertising media include direct mail, radio, television, magazines, and newspaper.
40 While studying the chemistry of human body, Dr.Rosalyn Yalow won a Nobel Prize for the research she conducted on the role of hormones.