unit 1 派生词 1. beauty----beautiful----beautifully----beautify( identify;simplify;purify;)

2. celebrate v.庆祝---celebration n. 庆祝

3. starve v.饿死 ---starvation n. 饿死

4. origin n. 起源----original adj. 最初的，独创的，新颖的---originally---originate v. 起源 5. religion n. 宗教-----religious adj. 宗教上的----religiously adv.

religion n. 宗教, 信仰

-----religious

caution n.小心, 谨慎, 警告 -----cautious

poison n. 毒药 ----

poisonous

nutrition n.营养 ----

nutritious

adventure n.冒险, ----

adventurous

danger n. 危险 ---- dangerous

humor

n.

幽默

-----humorous

variety n. 变化, 多样性 -----various

6. season---seasonal---seasonally culture---cultural----culturally

origin---original. adj.最初的, 原始的, 独创的, 新颖的--originally

finance-----financial----financially

practice----practical -----practically

tradition----traditional ----traditionally

person-----personal ----personally

occasion----occasional----occasionally

profession----professional -----professionally

agriculture----agricultural ---agriculturally

nation---------national---nationally

nature--------natural-----naturally

condition---conditional---conditi

onally adj.有条件的

7. believe v.-----belief n.

relieve v. 减轻,缓和, (忧虑,恐惧等) ---relief n.

8. poet n. 诗人---poem. 诗,韵文 9. arrive v.----arrival n.

refuse v.拒绝---refusal n. 拒绝

propose v.建议 -------------proposal n. 建议

approve v.支持，赞同 ---approval n. 支持，赞同

survive v. 幸存-----survival n. 幸存

10. depend v. 依赖---dependent adj. 依靠的,依赖的---dependence n.依赖 independent adj. 独立的----independence n.独立；自主

independently adv. 独立地；依赖地

11. agriculture n.农业 ---agricultural adj. 农业的