Lesson14-Space Shuttle Challenge. I. Wordstudy 8. boost V to give sb. or sth. a push up; to increase the value, reputation, etc of sb or sth Example: a Seeing her there boosted his morale booster火箭助推器 booster rocket增力火箭 W BTL E BAC
Lesson14—Space Shuttle Challenger W B T L E I. Word Study 8. boost v. to give sb. or sth. a push up; to increase the value, reputation, etc. of sb. or sth. Example: Seeing her there boosted his morale. booster 火箭助推器 booster rocket 增力火箭
Lesson14-Space Shuttle Challenge. Word study 9. catastrophe Word Formation n.. disaster adj. catastrophe b a complete failure Example: a The food was cold, the guests quarreled-the whole dinner was a catastrophe W BTL E BAC
Lesson14—Space Shuttle Challenger W B T L E I. Word Study 9. catastrophe n. a. disaster b. a complete failure adj. catastrophic Example: The food was cold, the guests quarreled—the whole dinner was a catastrophe. Word Formation
Lesson14-Space Shuttle Challenge. I. Wordstudy Word Formation 10 clarify clarification v. to make or become clear Examples: a clarify the fact a clarify one's stand W BTL E BAC
Lesson14—Space Shuttle Challenger W B T L E I. Word Study 10. clarify v. to make or become clear Examples: clarify the fact clarify one’s stand n. clarification Word Formation
Lesson14-Space Shuttle Challenge. Word study 11 cohere Word Formation adj。 coherent v. a(formal to stick together n。 coherence b.(of arguments, etc. )to be consistent Example: The decorations do not cohere with the basic design W BTL E BAC
Lesson14—Space Shuttle Challenger W B T L E I. Word Study 11. cohere v. a. (formal) to stick together b. (of arguments, etc.) to be consistent Example: The decorations do not cohere with the basic design. adj. coherent n. coherence Word Formation