I gave him the _______ medicine at 11 o'clock.
A. prescribe
B. prescribed
C. prescribing
D. prescription
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The ground was covered with a sleet that had frozen so that it seemed as if the bare ground had been _______ with ice.
A. varnish
B. varnished
C. vanish
D. vanished
1.下列哪项属于学习行为？
A. 服用兴奋剂提高成绩
B. 视觉适应
C. 青春期男孩变声
D. 望梅止渴
2."其身正，不令而行；其身不正，虽令不从”能够有效解释这一现象的学习理论是
A. 社会学习理论
B. 建构学习理论
C. 认知学习理论
D. 人本学习理论
3.小英到医院打完针后，很长一段时间在遇到穿白大褂的人都会害怕，这种心理现象是
A. 移情
B. 内化
C. 分化
D. 泛化
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