6. Hand me that pamphlet before you leave, will you.？

　　[A] novel                 [B] comb             [C] brochure             [D] note

　　7. Revealing military secrets is tantamount to treason.

　　[A] equivalent to           [B] more serious that    [C] different from    [D] trivial when compared with

　　8. Diffusion is the spontaneous spreading of matter caused by the random movement of molecules.

　　[A] patternless             [B] whirling           [C] constant           [D] rampant

　　9. It required a great deal of water to quench the fire.

　　[A] scorch                [B] thrash             [C] put out            [D] depress

　　10. The particles in the atmosphere can affect the Earth's climate.

　　[A] air current             [B] dust               [C] clouds            [D] rays

　　Keys:CAACB