Reading passages

163 -The purpose of the passage is to explain ------ 
.
A) some experimental methods of geological 
investigation 
B) why geology is a science suitable for enthusiasts' 
contribution 
C) gradual developments in the field of geology over 
the years 
D) why it is so difficult to gather geological 
information 
E) how experts analyse geological data gathered in 
the field 
164 -It is clear from the passage that complex 
equipment for geological investigation ---- .
A) is vital to almost every part of the geologist's 
work 
B) is of no use whatsoever in the development of 
geology 
C) may be easily mastered and used by the amateur 
D) only plays a small part in the field of geology 
E) is much the same as that used in other scientific 
fields 
165 -The author informs us that because of the 
way geological processes take place, ---- .
A) humans will never really understand how 
geology works 
B) sophisticated equipment is vital to the geologist's 
work 
C) several other sciences can be useful to the study 
of geology 
D) data needs to be gathered over a long period of 
time 
E) it takes a long time to train in order to become a 
geologist 
In Memphis, Tennessee, the unofficial capital of the 
Mississippi Delta, many people, black and white, 
have always been drawn to the blues music. It is this 
racial cross -over that helped inspire Memphis's most 
famous adopted son, Elvis Presley, to fuse black 
blues and white country and gospel music into 
rock'n'roll. Whereas rock'n'rol became universally 
popular, very few black blues musicians gained 
commercial success, and the blues remained no more 
than a side -show, appreciated mainly by the poor 
blacks who created it in the first place. Surprisingly 
though, it was white rock groups from Britain,