219- In the writer's opinion ............... . A) people should visit their doctors in times of emotional emergency
B) we need to cry in order to recover from traumas
C) weeping can cause alarm, shock or even anger in others
D) doctors don't do enough to help patients with motional problems
E) crying when we feel ill is as beneficial as visiting the doctor
For centuries dam design was based upon previous experience. Remains of ancient earth-fill dams
still exist in India and Sri Lanka. The earliest recorded dam is believed to be a masonry structure 49
feet high that was built across the Nile River in Egypt around 2900 BC. A rockfill dam built around
1300 BC in what is modern Syria is the oldest dam still in use. Dam builders in ancient Rome did not
show the engineering genius that was employed in other projects, but Byzantine engineers utilized the
Roman masonry arch to build a prototypical arch- gravity dam in 550 AD. There was little dam
building in Europe for several centuries; it began in earnest only when the Industrial Revolution gave
rise to the need for water power in the 18th and 19th centuries.
220- It is stated, though indirectly, in the passage that today Syria ............. . A) is one of the forerunners of dam-building technology
B) has by far the most dams all over the world
C) has the earliest type of dam which hasn't gone out of use yet
D) was regarded as the cradle of dam building
E) copied Egyptian architecture in its dam constructions
221- According to the passage, the reason why dam building was started to be taken seriously is that .............. A) if floods were to be prevented, dams would be more necessary than anything else
B) in Europe, new techniques in dam-building were devised
C) until then, they were thought as potentially dangerous
D) people didn't have enough experience to build formidable ones
E) industrialization made people feel the necessity of water to run machines
