内容正文:
2019新人教版Unit 4 Natural Disasters 必须掌握的词根词缀
单词
前缀
词根/词基(含义)
后缀
中文义
disaster
dis- 否定
aster(星)
—
灾难
tornado
—
torn(转)
ado
龙卷风
drought
—
dry 的变体
t
干旱
magnitude
—
magn(大)
itude
震级
rescue
re- 回
scu(抖)
e
营救
damage
dam(损失)
age
损坏
destroy
de- 向下
stru(建造)
oy
摧毁
evacuate
e- 外
vac(空)
uate
撤离
helicopter
helic(螺旋)+pter(翼)
—
直升机
shelter
shel(壳)
ter
避难所
percent
per- 每
cent(百)
—
百分比
electricity
electr(琥珀)
icity
电
revive
re- 再
viv(活)
e
复苏
effort
ef- 出
fort(力量)
—
努力
unify
uni- 一
fy(使)
—
统一
wisdom
wis((-vis-)看见)
dom
智慧
context
con- 共同
text(编织)
—
语境
suffer
suf- 下
fer(承受)
—
受苦
erupt
e- 出
rupt(破)
—
爆发
supply
sup- 下
ply(填充)
—
供给
hurricane
—
hurr(呼啸)
icane
飓风
survive
sur- 超
viv(活)
e
幸存
emergency
e- 出
merg(沉)
ency
紧急情况
deliver
de- 加强
liver(释放)
—
递送
effect
ef- 出
fect(做)
—
影响
【必须掌握的 12 个高频词根/词缀】
(从 32 个灾难-救援主题词中精选,能衍生 200+ 实用词)
复制
成分
含义
已学例词
再举 2 个衍生词
aster/astro
星
disaster
astronomy, asteroid
stru/struct
建造
destroy
construct, structure
viv/vit
活
revive
survive, vivid
rupt
破
erupt
interrupt, bankrupt
vac/van
空
evacuate
vacant, vanish
magn/maj/max
大
magnitude
magnify, maximum
electr
电
electricity
electronic, electrode
fect/fic
做
effect
affect, perfect
fer
携带/承受
suffer
transfer, prefer
-ion/-tion/-ation
名词后缀
evacuation
destruction, eruption
dis-/de-
否定/向下
disaster, destroy
dislike, decrease
re-
再/回
revive
rebuild, return
核心词根词缀表(8个)
词根
构词能力
考试/阅读频率
记忆技巧
-viv-
高
⭐⭐⭐⭐(survive, revive, vivid)
“vivid” = 生动的 → 像活着一样
-rupt-
极高
⭐⭐⭐⭐⭐(erupt, interrupt, corrupt)
“erupt” = 破而出 → 喷发
-fer-
极高
⭐⭐⭐⭐⭐(transfer, suffer, refer)
“suffer” = 承受(带在身下)
-fect-
极高
⭐⭐⭐⭐⭐(effect, affect, perfect)
“effect” = 做出的结果 → 效果
-text-
高
⭐⭐⭐⭐(context, text, textile)
“context” = 文本“编织”在一起
-vac-
高
⭐⭐⭐⭐(evacuate, vacuum, vacant)
“evacuate” = 使变空 → 疏散
uni-
极高
⭐⭐⭐⭐⭐(unify, unique, universe)
“unify” = 使成一体
-cent-
高
⭐⭐⭐⭐(percent, century, centimeter)
“percent” = 每百中
💡 掌握这 8个词根词缀,你就能理解 数百个相关词汇!
【词根闯关练习题】
一、选择题(选出含目标词根的单词)
1. 含“星”含义词根?
A. astronomy B. erupt C. suffer D. destroy ( )
2. 含“建造”含义词根?
A. . electricity B. erupt C. suffer D construct ( )
3. 含“活”含义词根?
A. survive B. rupture C. magnify D. evacuate ( )
4. 含“破”含义词根?
A. survive B. interrupt C. vacant D. effect ( )
5. 含“空”含义词根?
A. disaster B. perfect C. vacant D. survive ( )
二、填空题
6. dis-(否定)+ aster(星)→ ________(灾难)
7. re-(再)+ viv(活)→ ________(复苏)
8. de-(向下)+ struct(建造)→ ________(摧毁)
三、连线题(把词根与中文义相连)
9. magn a. 破
10. rupt b. 大
11. electr c. 电
12. fect d. 做
四、 选择题(10题)
1. The word "revive"means to:
A. make something dead B. make something live again
C. make something bigger D. make something faster
2. "Erupt" contains the root "-rupt-", which means:
A. to build B. to break suddenly
C. to write D. to hide
3. If someone transfers money, they:
A. destroy it B. carry it from one place to another
C. hide it D. double it
4. "Effect" comes from "ex-" + "-fect-". It most likely means:
A. something hidden B. something done or produced
C. something broken D. something old
5. "Context" means the surrounding words or situation because:
A. it is about "contracts" B. it is "connected to text"
C. it is "woven together" with meaning D. it is "correct" information
6. "Evacuate" means to empty a place because:
A. "vac" means "voice" B. "vac" means "value"
C. "vac" means "empty" D. "vac" means "vehicle"
7. Which word does NOT contain the root "uni-" (one)?
A. unify B. uniform
C. unique D. unless
8. "Suffer" means to endure pain because:
A. "fer" means "fire" B. "fer" means "to carry" (burden)
C. "fer" means "to fear" D. "fer" means "to fall"
9. "Percent" literally means:
A. per thousand B. per five
C. per hundred D. per ten
10. Which word means "a sudden break or burst"?
A. context B. rupture
C. revive D. unify
答案与详细解析
【参考答案】
一、1 A 2 D 3 A 4 B 5 C
二、6 disaster 7 revive 8 destroy
三、9-b 10-a 11-c 12-d
四、选择题:
题号
答案
解析
1
B
re- = 再,-viv- = 活 → revive = 再次活过来
2
B
-rupt- = 破裂 → erupt = 破而出 → 喷发或突然爆发
3
B
trans- = 横跨,-fer- = 携带 → transfer = 携带过去
4
B
ex- = 出,-fect- = 做 → effect = 做出的结果 → 效果
5
C
con- = 一起,-text- = 编织 → context = “编织在一起”的背景
6
C
e- = 出,-vac- = 空 → evacuate = 使空出 → 疏散
7
D
unless = if not,不含 "uni-";其他都含“一”的概念
8
B
suffer = sub-(下) + fer(携带)→ 承受重担
9
C
per- = 每,-cent- = 百 → percent = 每百中
10
B
rupture = 破裂,直接来自 -rupt-
学科网(北京)股份有限公司
$$