New words：
consume [kənˈsum] v.消耗；吃；毁灭；烧毁
详细词源拆解：
前缀 con- = 完全、彻底（加强语气）
词根 sumere = 拿、取、花费、占用（拉丁语）
词根变体：sum / sume
组合逻辑：
→ con- (彻底) + sume (拿取 / 用掉)
→ 全部拿光、用光 → 消耗；耗费；吃光；烧毁
词汇家族：
consume (v. 消耗) → consumption (n. 消耗) → consumer (n. 消费者)
必记高频搭配
consume energy / fuel 消耗能源 / 燃料
Cars consume a lot of fuel.consume time 耗费时间
Watching TV may consume too much time.be consumed by fire 被大火吞噬
The building was consumed by fire.New words：
fossil /ˈfɒsl/ n.化石；老人；老古董
必记高频搭配
fossil fuel 化石燃料（煤、石油、天然气）
Burning fossil fuels produces greenhouse gases.plant/animal/dinosaur fossils 植物 / 动物 / 恐龙化石
This museum has many ancient plant fossils.New words：
fuel /ˈfjuːəl/
n.燃料；燃油；汽油；油料
v.(给…)加油；加燃料
核心逻辑：
→ 原本指用来生火的木柴
→ 后来泛指一切能燃烧提供能量的东西 → 燃料
作动词：给… 加燃料 → 给… 提供动力；加剧；刺激
Sample Sentences
Plants can be used as fuel.
His words added fuel to the fire.
Burning fuel causes air pollution.
We should try to reduce fossil fuel consumption.
We should develop clean fuels to protect the environment.
fossil /ˈfɒsl/ n.化石；老人；老古董
consumption /kənˈsʌmpʃn/ n. 消费；(能量、食物或材料的)消耗，消耗量；
New words：
enthusiasm [ɪnˈθuziˌæzəm] n. 热情；热忱；热心；热衷的事物
通常作不可数名词，一般不加 s
必记高频搭配
have enthusiasm for… 对…… 有热情
He has great enthusiasm for painting.with enthusiasm 热情地；满腔热忱地
We should study with enthusiasm.full of enthusiasm 充满热情
She is always full of enthusiasm.lose enthusiasm 失去热情
Don’t lose enthusiasm for life.New words：
enthusiastic [ɪnˌθuziˈæstɪk] adj. 热情的；热心的；热衷的；极感兴趣的
必记高频搭配
be enthusiastic about… 对…… 热心 / 热衷
She is enthusiastic about environmental protection.an enthusiastic fan 狂热的粉丝
He is an enthusiastic football fan.enthusiastic support 热情的支持
We received enthusiastic support from our classmates.enthusiastic attitude 积极热情的态度
He has an enthusiastic attitude toward study.作文加分替换：
very interested → enthusiastic
warm-hearted → enthusiastic