2018年4月28日SAT每日一练系列之语法篇 官方权威出品

为广大SATer带来2018年4月28日的SAT语法每日一练，考察语篇中的标点符号用法，配有答案，解析，众考生，慢慢操练吧。5月SAT考试加油!

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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