One of the contributions Searle has made is his classification of______act.
A. locutionary
B. illocutionary
C. perlocutionary
D. speech
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单位需求弹性为零时调整价格,对总收益没有影响。()
烟草中导致吸烟者发生肺癌的主要有害物质为
A. 烟碱
B. 焦油
C. 一氧化碳
D. 苯并芘
E. 尼古丁
片剂包衣过称中出现“起泡”的原因是()
A. 干燥过慢
B. 干燥过快
C. 转速过慢
D. 转速过快
E. 固化时间长
"I will buy you a house. " is a______.
A. directive
B. commissive
C. expressive
D. declaration