2. 外语
  3. Programmed instruction received its major impetus from the work of behaviorist J. H. Skinner, who after years of research,_____a

Programmed instruction received its major impetus from the work of behaviorist J. H. Skinner, who after years of research,_____a

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问题 Programmed instruction received its major impetus from the work of behaviorist J. H. Skinner, who after years of research,_____a practical system in 1954.
选项 A、described
B、derived
C、imitated
D、devised
答案D
解析 词汇题。devise vt．意为“设计，汁划，发明”等，如：The Inquisition of the Medieval Ages devisedmany demoniac means of torture．中世纪的宗教法庭创造了许多骇人听闻的酷刑。describe vt.意为“描写，记述，形容”。derive vt.／vi。(常与from连用)表示“得来，得到，来自，源自，出自”。imitate意为“效法。模仿”，如：James can imitate his teachers speech perfectly．詹姆斯能惟妙惟肖地模仿他教师的言语。
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