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