SAT

📘 SAT学习指南（4篇）

先从数学英语术语开始：许多学生会做数学题，却因英文表述失分。语境词汇、语法规则卡和原创练习题正在陆续添加。SAT是College Board的商标，最新考试信息请查看官网。

语法规则卡（240道练习题）

阅读与写作练习（100题）

数学练习（100题）

⏱ 限时模块练习（阅读与写作 · 数学）

• corroborate

  verb

  佐证，证实

  To support a statement or finding with more evidence.

  A second study corroborated the results.第二项研究证实了这些结果。

• cosine

  noun

  余弦

  In a right triangle, the ratio of the adjacent side to the hypotenuse (cos).

  cos 60° = 1/2.cos 60° = 1/2。

• counter

  verb

  反驳

  In context: to respond to an argument with an opposing point.

  The second paragraph counters a common objection.第二段反驳了一个常见的异议。

• credit

  verb

  归功于

  In context: to say that someone or something is responsible for an achievement or result.

  Historians credit the invention to a small team of engineers.历史学家将这项发明归功于一个小型工程师团队。

• critical

  adjective

  批评的

  In context: expressing disapproval or pointing out faults.

  The author is critical of the new policy.作者对新政策持批评态度。

• critique

  verb / noun

  评论，批评

  To examine and point out weaknesses in an idea or work; such an examination.

  The second author critiques the first author’s methods.第二位作者批评了第一位作者的方法。

• curb

  verb

  控制，抑制

  To control or limit something, especially something harmful.

  New rules aim to curb plastic waste.新规旨在控制塑料垃圾。

• curtail

  verb

  削减

  To reduce or limit something.

  The drought curtailed farm production.干旱削减了农业生产。

• cylinder

  noun

  圆柱

  A 3D shape with two equal circular ends and straight sides.

  The volume of a cylinder is πr²h.圆柱的体积是πr²h。

• data set

  noun

  数据集

  A collection of related values.

  The data set contains 20 test scores.这个数据集包含20个考试分数。

• decimal

  noun / adjective

  小数

  A number written using a decimal point, such as 2.75.

  Round the answer to two decimal places.将答案四舍五入到小数点后两位。

• defensive

  adjective

  防御性的

  Protecting yourself from criticism, often in an anxious way.

  The company’s statement sounded defensive.该公司的声明听起来很有防御性。

• degree

  noun

  次数；度

  In algebra, the highest power of the variable in a polynomial; in geometry, a unit for measuring angles.

  The polynomial x⁴ − 2x has degree 4.多项式x⁴ − 2x的次数是4。

• denominator

  noun

  分母

  The bottom number in a fraction.

  In 3/8, the denominator is 8.在3/8中，分母是8。

• depict

  verb

  描绘

  To show or describe something in words or pictures.

  The novel depicts life in a small mining town.这部小说描绘了一个小矿镇的生活。

• detached

  adjective

  超然的

  Not emotionally involved; calm and impartial.

  The report describes the disaster in a detached tone.报告以超然的语气描述了这场灾难。

• deter

  verb

  阻止，威慑

  To discourage someone from doing something.

  High fines deter people from littering.高额罚款能阻止人们乱扔垃圾。

• diameter

  noun

  直径

  A straight line through the centre of a circle from one side to the other.

  The diameter of the circle is 10.这个圆的直径是10。

• difference

  noun

  差

  In maths, the result of subtracting one number from another.

  The difference between 15 and 9 is 6.15和9的差是6。

• digress

  verb

  离题

  To move away from the main topic for a while.

  The speaker digresses to tell a story about his childhood.讲话者离题讲了一个童年故事。

• discern

  verb

  辨别，察觉

  To notice or understand something that is not obvious.

  It is difficult to discern a clear pattern in the data.很难从数据中辨别出明确的规律。

• discount

  verb

  不重视，忽视

  In context: to consider something unimportant or untrue; to dismiss.

  Early critics discounted her theory, but later studies supported it.早期评论家不重视她的理论，但后来的研究证实了它。

• discriminant

  noun

  判别式

  The value b² − 4ac, which shows how many real solutions a quadratic equation has.

  If the discriminant is negative, there are no real solutions.如果判别式为负，就没有实数解。

• dismiss

  verb

  否定，不予考虑

  To reject an idea as not worth considering.

  The scientist dismisses the theory as unsupported.这位科学家认为该理论缺乏依据而不予考虑。

• dismissive

  adjective

  轻视的

  Showing that you think something is not important or not worth considering.

  The critic is dismissive of the novel’s ending.这位评论家对小说的结尾不屑一顾。