1. 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

　　2. Davy Crockett was reared in eastern Tennessee.
　　[A] born [B] well-known [C] brought up [D] killed

　　3. Kit Carson, an American frontiersman, was one of the most sensational heroes of the Old West.
　　[A] exciting [B] distracting [C] enigmatic [D] ostentatious

　　4. 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

　　5. The football player was penalized for unnecessary roughness.
　　[A] side-lined [B] condoned [C] punished [D] condemned

　　Keys: ACADC