Reading passages

184- According to the passage, imaginary export........... .
A) was pretty common in 1980s
B) is a business agreement with an illegal firm abroad
C) is a subject that customs officials are very alert at
D) can be done without any real goods
E) is widely known among the countries doing maritime export
185- It can be concluded from the passage that exporting goods at a premium ................. .
A) requires bribing customs officials
B) can be done only with the fake firms set up abroad
C) demands preparing spurious invoices
D) is one of the money-making ways of the imaginary exporters
E) is the most widespread imaginary export method
186- It can be understood from the information given in the passage that ............. .
A) imaginary export rumours couldn’t be hindered in the latter part of the nineteenth century
B) the invoices used in imaginary exports had better be made of nylon
C) imaginary export in Turkey is far more common than in any other European country
D) the best way to do an imaginary export is to prepare nylon invoices
E) imaginary export cannot be done without having an accomplice firm abroad

By the beginning of the 18th century, the population of Tokyo had grown about 1 million, making it the largest city in Japan and one of the most populous in the world. An especially lively section of the city was along the Sunida River, where pleasure boats and parties were common and whose banks were lined with fashionable tea-houses. Tea was central to the Japanese not only in their homes, but in the public life as well. In the bustling urban centres of the 18th-century Japan, tea-houses served similar to the one played by coffee-houses in Europe which were centres of discussion and entertainment.

187- We learn from the passage that the Sumida River ................... .
A) separated the poor area of Tokyo from the rich one
B) could be dangerous and so boats sporadically used it
C) run through one of the most popular parts of the eighteenth century Tokyo
D) was a busy waterway since it was the commercial centre of the city
E) has recently lost its popularity among the people of Tokyo