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Passage 1  What makes one person more intelligent than another? What makes one person a genius, like the brilliant Albert Einstein, and another person a fool? Are people born intelligent or stupid, or is intelligence the result of where and how you live?

Passage 1  What makes one person more intelligent than another? What makes one person a genius, like the brilliant Albert Einstein, and another person a fool? Are people born intelligent or stupid, or

Passage 1  Trees are useful to man in three important ways; they provide him with wood and other products; they give him shade; and they help to prevent droughts and floods.  Unfortunately, in many parts of the world, man has not realized that the third o

Passage 1  Trees are useful to man in three important ways; they provide him with wood and other products; they give him shade; and they help to prevent droughts and floods.  Unfortunately, in many pa

Passage 1  What do we mean by a satisfactory standard of living? Obviously, it must include the basic necessities of life such as food, clothing and shelter. To get these necessities on regular basis, a person must have a reliable income. But we have othe

Passage 1  What do we mean by a satisfactory standard of living? Obviously, it must include the basic necessities of life such as food, clothing and shelter. To get these necessities on regular basis,

Passage 3  In the last 500 years, nothing about people—not their clothes, ideas, or languages—has changed as much as what they eat. The original chocolate drink was made from the seeds of the cocoa tree by South American Indians. The Spanish introduced it

Passage 3  In the last 500 years, nothing about people—not their clothes, ideas, or languages—has changed as much as what they eat. The original chocolate drink was made from the seeds of the cocoa tr