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1.When a snake meets a potential enemy, its primary device is______________.
A) avoiding any observation
B) Finding a safe shelter
C) giving a warning threat
D) starting a quick attack
2.The underlined phrase "dispense with all the preliminaries" in Paragraph I most probably means________________.
A) the snakes combine all the previous three steps
B) the snakes give up all the previous three steps
C) che snakes follow all the previous steps one by one
D) the snakes reverse the order of all the previous steps
3.A snake is most aggressive when_______________.
A) it meets a possible enemy
B) it is caught when it is sleeping or sloughing
C) it is disturbed unknowingly
D) it seeks a partner in che mating season
4.It is difficult to predict what would happen when a snake meets a man because____________.
A) no one bas ever clearly known how he himself was bit
B) man tends to be subjective when he describes his encounter with a snake
C) the aggressiveness of the snakes differs according to diverse situations
D) a snake does not begin co attack without provocation
5. The author uses the example in the last paragraph m support his idea that___________.
A) snakes do not begin the aggressive act if it is not disturbed
B) some snakes are more aggressive and more ready to attack
C) it is hard to forecast whether and how snakes would attack
D) snakes often conceal themselves as their principal defense
