爱思英语编者按：美国Heritage的编辑们精心编辑了100个单词。他们认为，这100个单词对于高中毕业生来说，虽然无法做到完全翔实地反映语言水平，但仍然是一个很好的评判标准。

"我们选择的单词，如果你知道如何正确运用，那么你将在语言方面没有问题"

- 主编Steven Kleinedler

abjure

abrogate

abstemious

acumen

antebellum

auspicious

belie

bellicose

bowdlerize

chicanery

chromosome

churlish

circumlocution

circumnavigate

deciduous

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epiphany

equinox

euro

evanescent

expurgate

fatuous

feckless

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filibuster

gamete

gauche

gerrymander

hegemony

hemoglobin

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hubris

hypotenuse

impeach

incognito+

incontrovertible

inculcate

infrastructure

interpolate

irony

jejune

kinetic

kowtow

laissez faire

lexicon

loquacious

lugubrious

metamorphosis

mitosis

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nanotechnology

nihilism

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notarize

obsequious

oligarchy

omnipotent

orthography

oxidize

parabola

paradigm

parameter

pecuniary

photosynthesis

plagiarize

plasma

polymer

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thermodynamics

totalitarian

unctuous

usurp

vacuous

vehement

vortex

winnow

wrought

xenophobe

yeoman

ziggurat