SAT考试的真题资料很难得到完整版的,但是我们可以从中找一些比较经典的具有备考价值的题目来帮助自己获得进步,下面是小编整理的SAT考试真题精选解答,将这两道题目自己做一遍吧。
Writing & Language
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.of whether
C.either
D.for
答案:A
解析:
Choice A is the best answer because in this context, the phrasing "a choice between receiving X and Y" is consistent with the conventions of standard written English.
Mathematics>Standard Multiple Choice
Read the following SAT test question and then click on a button to select your answer.
(x+10000)(x+10000)=0
How many unique real solutions does the equation above have?
A.0
B.1
C.2
D.4
答案:B
解析:
Choice B is correct. The left-hand side of the equation can only be zero when one of the factors is zero.
If the first factor is zero, then x = -10000. If the second factor is zero, then x = -10000
These are both the same solution. So there is only 1 unique solution. This solution is also real.
The equation has 1 unique real solution.
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