Reading passages

162 -We learn from the passage that Prague tea -houses ---- . 
A) do not encourage their customers to laugh and Joke 
B) keep a large samovar of tea boiling all the time
C) sell fast food as well as the tea they are famed for 
D) offer many varieties of the beverage they serve 
E) were, in general, pubs before they became tea-houses 
The development of geology owes much to the work of non -professional observers. In no other 
science, with the possible exceptions of astronomy and archaeology, has the keen amateur 
participated so actively or contributed so much. This is mainly because experimental methods of 
investigation involving complicated apparatus typical of chemistry, physics and biology are of only 
limited use in geology, which results from the fact that geological processes work slowly and depend 
on factors beyond human control. The advance of geological knowledge has depended on simple 

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observations, patiently gathered, of the outcrops of rocks, their thicknesses, their angles and their 
fossil content. 
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