2021美国学术能力评估考试（SAT）真题模拟04-17

1、Ellen takes a trip that is y miles long in total, where y > 20. She travels the first 15 miles at an average speed of 30 miles per hour and the rest of the trip at an average speed of 40 miles per hour. Which of the following represents the total time of the trip, in hours?（单选题）

A.

B.

C.

D.

E.

试题答案：A

2、Known for his temper, impatience, and how easily he can be irritated, Dr. McGee was not well liked by his patients.（单选题）

A. Known for his temper, impatience, and how easily he can be irritated

B. Knowing his temper, impatience, and irritability

C. Known for his temper, impatience, and irritability

D. Known for his temper, impatience, and irritation

E. Known for his temper, for his impatience, and his irritability

试题答案：C

3、In context, which of the following revisions of the underlined portion of sentence 12(reproduced below) is most effective at making it clearer and more specific?
Unfortunately, many students today don’t have time for that.（单选题）

A. today have hardly even 1 hour for such things

B. today, unlike those in Archimedes’ time, don’t have time to go to the movies

C. today don’t have time for such excursions

D. of modern times lack sufficient time for the kinds of things explained above

E. today lack sufficient time for things like this

试题答案：C

4、Which of the following is equivalent to 4n² + 4n + 2?（单选题）

A. 4(n² +n +1/2)

B. 2(2n + 1)²

C. 2(2n³+ 1)

D. (2n + 1)(2n+2)

E. (2n- 1)(2n- 2)

试题答案：A

5、The conical tank below is filled with liquid. How much liquid has poured from the tip of the cone if the water level is 9 feet from the tip?
（单选题）

A. 67 ft ³

B. 57 ft ³

C. 47 ft ³

D. 37 ft ³

E. 27 ft ³

试题答案：D