What is John Harrison' s job？
An official.
B. An ice-cream taster.
C. A chemist.
D. An ice-cream manufacturer,
查看答案
A．At firstB．FirstC．OneD．At the beginning
At first
B. First
C. One
D. At the beginning
A．patientlyB．proudlyC．silentlyD．tiredly
A. patiently
B. proudly
C. silently
D. tiredly
The author mentions Harlow' s experiment to show that______.
A. adults should develop social skills
B. babies need warm physical contact
C. caregivers should be healthy adults
D. monkeys have social relationships
Which of the following is the author most probably in favor of？
A. Cycling around a lake.
B. Motor racing in the desert.
C. Playing basketball in a gym.
D. Swimming in a sports center.
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