As I had earlier made up my mind to run for governor, I could not()I must go on with the fight.
A. vary
B. withdraw
C. undergo
D. discard
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对先前经验在延迟一定时间后出现对该经验的模仿行为叫做()。
A. 观察学习
B. 延迟模仿
C. 模仿
D. 再现
While studying he was financially dependent ()his wife.
A. to
B. of
C. on
D. from
罗伯特·范茨采用优先注视技术对婴儿研究,结果表明婴儿从出生起就表现出明显的()。
A. 客体永久性
B. 深度知觉
C. 视觉偏好
D. 颜色偏好
You should save your work often as a()against computer failure.
A. sanction
B. precaution
C. shield
D. shelter