Reading passages

 
20. It is understood from the passage that the 
science of botany ,
A)
is less specialized than that of zoology 
B)
deals with a limited number of plants 
C)
is concerned with the plant world 
D)
is a subsection of zoology 
E) is not so well-known a zoology 
21. The author points out that the study of living 
things, 
although 
carried out under various specialized headings, 
_____ __.
A)
emphasizes the importance of genes and 
species 
B)
depends upon extensive field research 
C)
is mainly related to zoology 
D)
actually involves two basic fields of science 
E) may not be appreciated whatsoever 
The exact number of people who died in the cyclone 
that struck Bagladesh last year will probably never 

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be known. Winds reaching 145 miles per hour 
hammered the country's low-lying southeastern 
coast for nine hours, at one point driving a wall- of 
water roughly 20 feet high across the area- one of 
the most densely populated places in the world. It 
was the strongest storm ever recorded in the region. 
The official news agency reported that 125.000 
victims had been confirmed dead, but it was 
believed that the toll was actually much higher. 
22. 
One can infer from the passage that one 
reason 
why 
so 
many 
lives 
were lost in the cyclone was because .
A)
most of the population had no decent housing 
B)
the BagJadesh government had failed to 
foresee such a disaster 
C)
the country had still not recovered from the 
previous similar eye J one 
D)
the area struck was one of the most 
overcrowded in the world 
E) the people were not prepared 
23.