GRE改革之后 新GRE数学将会出现怎样的变化

2025-02-08 20:57:35
推荐回答(1个)
回答1:

新GRE数学考察方式跟现在考试方式有哪些差别呢?天道留学小编为大家带来GRE改革之后
新GRE数学将会出现怎样的变化,希望对大家GRE备考有所帮助。

根据ETS提供的样题分析发现,数学部分所考察的数学知识范围、运算复杂程度基本没有变化,而主要的改动是在GRE数学题目数量和比例、题型方面。接下来就以样题为依托作简要的分析,来看新GRE数学有哪些大变身吧

第一点是出现了问答题,也就是考生需要根据题目条件直接计算答案,而不能从已有选项中选出答案。这一改变对于考生解题思路提出了更高的要求。

例:The average(arithmetic mean)of the 11 numbers in a list is 14. If the
average of 9 of the numbers in the list is 9,what is the average of the other 2
numbers?(11个数的算术平均数是14。若其中9个数的算术平均数为9,则剩下的2个数的平均数是多少?

解析:本题考察的是考生对算术平均值这一概念的认识。根据11x14=9 x9+2xa便可以得出答案。

从本题我们也可以看出在改革后的GRE数学中,对于一些统计学数值(比如算术平均、极差、标准方差、中数等)的理解要求提高了。

第二点是出现了多选题,要求考生把所有符合题意的答案都选出来。

例:In triangle ABC,the measure of angle A is 25 and the measure of angle B
is greater than 90. Which of the following could be the measure of angle C?

Indicate all possible values.

A. 12 B. 15 C. 45 D. 50 E.70

解析:本题考察的是三角形的基本性质:内角和等于180度。由题意可知角A角B之和大于115度,由此可以得出A、B、C、D为正确答案。

从本题可以看出,GRE数学本身考察的数学知识并没有发生太大的改变,所以这种题型仅仅是增加了考生思维的复杂性,需要考生更加细心、认真。

第三点是出现了判断题,即要求考生判断某一等式或某一命题的对与错。

例:The symbol ? represents one of the four operations of addition,
subtraction,multiplication, and division, and 3 ? 1 = 3.

For each of the following equations, indicate whether the equation must be
true, must be false, or could be either true or false.

Equation

Must Be True

Must Be False

Could Be True or False

6 ? 2 = 3

6 ? 2 = 4

6 ? 2 = 12

Click on your choices.

Click on the answer box, then type in a number. Backspace to erase.

GRE数学中经常会出现ETS自己定义的内容。根据本题的题意,符号“?”代表的是加减乘除四种四则运算中的某一种,而且3?1=3,由这些已知条件可以推出?可以是乘号,也可以是除号,所以是两种情况。

因此第一个等式6?2=3,在?代表除时正确,但在?代表乘号时错误,因此第一式应为could be true or
false(有可能对也可能错);

第二个等式6?2=4不论?代表或都不正确,因此第二式应为must be false(一定错误);

第三个等式6?2=12在?代表乘时正确,但在?代表除时错误,因此第三式同第一式一样,也是有可能对也有可能错。

以上三点就是新GRE数学有哪些大变身的具体内容,只要考生能够稍加练习便可以把握,希望考生都能拿到GRE数学满分的成绩。

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