Researchers know there are many drugs that can alter our bodily processes in such a way (31) affect our emotional experiences. One such set of drugs is commonly (32) as sedatives or tranquilizers. They act to "slow us down" (33) and make us less responsive. A doctor may (34) a tranquilizer for someone who is very tense or very (35) and who cannot sleep or function because of his over arousal. Emotional disorders of extreme over arousal are often (36) reduced by such drugs. (37) set of drugs is called stimulants. They "perk us up" emotionally and make us (38) responsive. A common mild stimulant is caffeine, a drug (39) in most coffees. It is because of its caffeine content (40) coffee often gives us a "lift" , wakes us (41) , and helps us be more responsive. Some (42) are very potent and may effectively counteract extreme depression. (43) a doctor’s care,
A. stimulants
B. drugs
C. tranquilizers
D. sedatives
Between 1900 and 1912, the nations of Europe were at peace. But there were hostilities, rivalries, and conflicts brewing that would soon tear the whole continent apart. The great conflict was World War Ⅰ. (1) just prior to that war, there were two (2) conflicts in the Balkan Peninsula. These two short wars took place in 1912 and 1913. Their (3) result was to end the (4) of the Turkish Ottoman Empire in Europe. The more tragic (5) of the Balkan Wars was to heighten the already fierce international tensions that were (6) the nations of Europe toward World War Ⅰ.
In 1912 the Balkan nations (7) of Bosnia, Herzegovina, Montenegro, Serbia, Romania, Bulgaria, and Greece. The Macedonian region in northern Greece was under the (8) of the Turks. The Balkan lands were also peopled by many intensely nationalistic ethnic groups. Among these were Serbs, Croats, Slovenes, Bulgars and Macedonians. These peoples had long been
A. bands
B. allies
C. armies
D. battles
Karl Von Linne (or Linnaeus, as he is widely known) was a Swedish biologist who devised the system of Latinised scientific names for living things that biologists use to this day. When he came to (1) people into his system, he put them into a group called Ho mo--and Linne’ s hairless fellow humans are still known biologically as Homo sapiens. (2) the group originally had a second member, Homo troglodytes. It lived in Africa, and the pictures show it to be covered (3) hair.
Modern (4) are not as generous as Linne in welcoming other species into Man’ s lofty (5) , and the chimpanzee is now referred to (6) Pan troglodytes. But Pan or Homo, there is no (7) that chimps are humans’ nearest living relatives, and that if the secrets of what makes humanity special are ever to be (8) , understanding why chimps are not people, nor people chimps, is a crucial part of the process. That, in turn, means looking at
A. suspension
B. suspicion
C. rotation
D. doubt
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