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public class X3_3_4 { public static void main(String[] args) { int j=0; for(int i=3; i>0; i--){ j += i; int x = 2; while(x
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【单选题】What is the key to the shark's swift locomotion in water?
A.
The skin.
B.
The tail.
C.
The muscle.
D.
Thejaw.
【单选题】Locomotion is a slow and stupid business until you have eyes to guide you, and eyes are useless if you cannot engage in locomotion, so perception and action evolved together in an arms race.
A.
a powered railway vehicle used for pulling trains
B.
movement or the ability to move from one place to another
C.
a word or phrase, especially with regard to style or idiom
D.
a large and mainly tropical grasshopper with strong powers of flight
【简答题】For some animals,locomotion is accomplished by changes in body shape. A .evolution B.movement C.survival D.escape
【单选题】Bacterial locomotion is accomplished by
A.
Fimbria
B.
Flagella
C.
Cytoskeleton
D.
Both a and b
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