1.Saccharin(糖精), a sweetening agent that is hundreds of times sweeter than ordinary cane sugar, is a popular sugar substitute.
(A) enhancer (B)replacement (C)catalyst
2.When light enters a camera, it strikes the film, whose surface reacts to the light.
(A) filters through (B)makes contact with (C)damages
3.Permeable rocks have pores of sufficient size to permit water to pass through them.
(A) fluctuating (B)enlarged (C)adequate
4.Some theorists suggest that modern society produces more stress than did earlier periods of human life.
(A) tension (B)accents (C)trends
5.Our teacher stimulated us to study hard.
(A) simulated (B)faked (C)encouraged
6.United States Navy Admiral Alfred Mahan wrote many books on naval strategy and sea power.
(A)tactics (B)history (C)battles
7.Many of Edith Wharton’s best stories were completed under great personal strain.
(A) poverty (B)privacy (C)tension
8.Children who are provided with positive feedback for aggressiveness will incorporate this kind of conduct into their stock of behaviors.
(A)reserve (B)understanding (C)bond
