According to paragraph 2, evidence from fossils suggests that 
A.extinction of species has occurred from time to time throughout Earth’s history.
B. Extinctions on Earth have generally been massive
C.there has been only one mass extinction in Earth’s history.
D.dinosaurs became extinct much earlier than scientists originally believed.

________(40)
A.household 
B.housetrain
C.housekeep   
D.housework

________(39)
A.take   
B.waste         
C.occupy    
D.spend

________(38)
A.considering   
B.held       
C.taken        
D. kept

________(37)
A.upkeep    
B. maintenance        
C.upbringing  
D.raising

________(36)
A.facets     
B. elements 
C. factors  
D.points

________(35)
A.near    
B. close  
C.narrow
D. tight

Traditionally, the flag is risen in the morning and taken down at night.
A.risen
B.in the morning
C.taken
D.at night

Please send me information with regard of insurance policies available from your company.
A.me
B.with regard of
C.insurance
D.from

________(41)
A.confined  
B.detained       
C.reduced    
D.closed