2018年4月28日SAT每日一练系列之语法篇 官方权威出品

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4月28日SAT语法每日一练(大猩猩行为实验)

To determine whether chimpanzees are more likely to delay gratification for a

cooked food reward than they are for a raw food reward, cognition researchers

Felix Warneken and Alexandra Rosati conducted an experiment comparing

chimpanzees' decisions in two situations: a "raw-delay" condition and a

"cooked-delay" condition. In the raw-delay condition, Warneken and Rosati

offered the chimpanzees a choice between receiving a piece of raw food

immediately and waiting for one minute to receive three pieces of raw food; the

chimpanzees chose the larger, delayed reward 60 percent of the time. In the

cooked-delay condition, in which the chimpanzees could receive one piece of raw

food immediately or wait one minute for three pieces of cooked food, they chose

the larger, delayed reward approximately 85 percent of the time.

A.NO CHANGE

B.in: two situations,

C.in two situations;

D.in two situations

答案：A

解析：

Choice A is the best answer because it correctly uses a colon to punctuate

the break between the independent clause that generally introduces the two

situations tested in the experiment and the more detailed identification of

those two situations that follows.

4月28日SAT语法每日一练推荐词汇

colon[kəu'ləun]n. 冒号，结肠，科朗(哥斯达黎加和萨尔瓦多的货币单位)

determine[di'tə:min]v. 决定，决心，确定，测定

gratification[.grætifi'keiʃən]n. 满足，喜悦

approximately[ə'prɔksimitli]adv. 近似地，大约

independent[indi'pendənt]adj. 独立的，自主的，有主见的 n. 独立

clause[klɔ:z]n. 条款，款项，[语]从句，分句

delay[di'lei]v. 耽搁，推迟，延误 n. 耽搁，推迟，延期

detailed[di'teild]adj. 详细的

identification[ai.dentifi'keiʃən]n. 身份的证明，视为同一，证明同一，确认

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