6.  Though many people observed the accident in the center of the city, they were not sure about the exact sequence of events.

　　[A] order                [B] process           [C] result                [D] cause

　　7.  Davy Crockett was reared in eastern Tennessee.

　　[A] born                [B] well-known         [C] brought up           [D] killed

　　8.  Kit Carson, an American frontiersman, was one of the most sensational heroes of the Old West.

　　[A] exciting             [B] distracting        [C] enigmatic            [D] ostentatious

　　9. Automobile experts have shown that halogen headlights penetrate thick fog more effectively than traditional incandescent headlights and thus help to reduce accidents.

　　[A] dissolve             [B] perceive          [C] touch                [D] pierce

　　10. The football player was penalized for unnecessary roughness.

　　[A] side-lined            [B] condoned         [C] punished             [D] condemned

　　Keys: ACADC