Translate the underlined part of the sentence "He got a cold and was a little lightheaded."
A. 轻手轻脚的
B. 胃口不好的
C. 反应迟钝的
D. 头晕目眩的
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I gave him the _______ medicine at 11 o'clock.
A. prescribe
B. prescribed
C. prescribing
D. prescription
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