2024美国学术能力评估考试（SAT）真题模拟04-18

1、Let be defined for all real values of x by the equation =2 x+1, If 3- = x, then x= ______.（单选题）

A. 2/3

B. 1

C. 3/2

D. 2

E. 3

试题答案：A

2、The author of Passage 2. most likely thinks that macroevolution ______.（单选题）

A. explains the dysfunctional genes present in hemoglobin

B. has been proved to be true by scientific investigations

C. is a theory that lacks sufficient evidence

D. has never taken place on any scale

E. provides insight into our biological cousins

试题答案：C

3、The author suggests that the slug be considered "a sort of natural recycling center" (line 18) due to ______.（单选题）

A. the fact that it is a cheaper way to get rid of plant waste than is hiring people

B. its tendency to collect debris from the garden floor

C. the cyclical renewal of its outer skin

D. the ease with which it returns to an undeveloped ecology

E. its ability to transform plant waste into valuable minerals

试题答案：E

4、In any right triangle, the acute angles are ______.（单选题）

A. Equal

B. Adjacent angles

C. Vertical angles

D. Complementary angles

E. Supplementary angles

试题答案：D

5、A jar contains 10 blue, 8 green, and 6 red marbles. Every time a marble is removed from the jar, it is not replaced. What is the probability, to the nearest hundredth, that the second marble chosen is green if the first marble chosen is green?（单选题）

A. 0.28

B. 0.29

C. 0.30

D. 0.31

E. 0. 32

试题答案：C