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A．80.5
B．82
C．82.5
D．85
E．86.5
答案
更多“In an animal behavior. experiment, 50 tagged white pigeons and 200 tagged gray pigeons wer”相关的问题
第1题
Which of the following is NOT mentioned as an effect of hormones？
A．Modification of behavior
B．Sensitivity to hunger and thirst
C．Aggressive feelings
D．Maintenance of blood pressure
第3题
A．Their behavior. should be attributed to factors beyond their control.
B．Their behavior. should be attributed to internal factors.
C．Their behavior. should be attributed to external factors.
D．Their behavior. should be attributed to others.
第4题
What is implied by the author？
A．Shiftwork had a direct effect on the attitudes and behavior. of family members.
B．Shiftworkers could live a normal life.
C．Shiftwork couples had unconventional ideas about marriage.
D．Female shiftworkers were satisfied with the time spent together with their families.
第5题
What is implied by the author？
A．Shifiwork had a direct effect on the attitudes and behavior. of family members.
B．Shifiworkers could live a normal life.
C．Shifiwork couples had unconventional ideas about marriage.
D．Female shifiworkers were satisfied with the time spent together with their families.
第7题
A ferret is probably a kind of_______．
A.tame animal
B.fierce anitaal
C.lovely animal
D.tamable animal
第8题
Each animal owns ______.
A．sound
B．home
C．language
第9题
Squeeze out the poisonous blood in case the animal bite mangle the skin.
A．Y
B．N
C．NG
第10题
To study animal emotions, scientists should
A．set up improved and refined skillful experiments.
B．analyze human emotional.
C．distinguish what is emotional and what is conditioned.
D．learn from animal behaviorists.
第11题
Useful drugs are made from inorganic substances or are plant and animal by-products.
A．materials
B．derivatives
C．chemicals
D．ingredients
