二级词汇表
新增词汇（88词）:
A: age, ago, air, astronaut
B: beach, because, bee, best
C: candle, careful, catch, chore, classroom, cup, cut, cute
D: doll
E: earth, excited
F: famous, fire，free, front
G: garden, gift, glass, grape
H: hard, helpful, hill, hometown, hurry, hurt
I: ice, Internet
J: job
K: keep
L: last, learn, letter, lion, lot, lovely
M: may, meat, middle, money, mouse(pl. Mice), move, must
N: never
O: o’clock, off, OK, out, over
P: pair, paper, pet, phone, piano, ping-ping, pink
Q: question, quiet
R: rabbit, robot
S: safe, sea, sell, share, should, show, so, space, student, sure, sweep
T: tail, tidy, top
W: wake, wall, which, will, win, wish, world
删除词汇（4词）：
afraid, crayon, high, pupil
合并词汇（2词）：
father (dad), mother (mum)
变化词汇（9词）:
a / an, ice cream, maths (=mathematics, AmE math), Mr (AmE Mr.), Mrs (AmE Mrs.), Ms (AmE Ms.), photo (=photograph), sheep (pl. sheep), TV (=television)
三级词汇表
新增词汇（249词）:
A(23): accident, account, ache, actually, ad(=advertisement), admire, adult, ahead, AI(=artificial intelligence), aid, aim, alarm, a.m., amazing, apartment, app (=application), argue, astronaut, athlete, attack, average, award, aware
B(19): badminton, balance, band, bat, bath, bee, behave, belong, belt, benefit, bin, biology, bleed, boil, breath, budget, bully, butter, butterfly
C(29): cabbage, calm, cancer, case, cash, challenge, champion, character, characteristic, charity, chat, cheat, cheese, chip, chore, citizen, classic, click, climate, company, confidence, congratulation, convenient, cooperate, cotton, creative, crowded, cucumber, curious
D(15): death, dentist, desert, design, diet, digital, disappoint, disaster, disease, doll, donate, download, dragon, drama, duty
E(12): eagle, effect, effort, electric, emergency, emperor/empress, energetic, energy, era, event, expert, explore
F(17): false, familiar, fashion, fireman(pl. firemen), firework, flat, flood, flu, focus, fog, folk, fool, forever, forward, found, fox, freeze
G(6): gas, goal, god, graduate, greet, gym (=gymnasium)
H(6): hike, honey, honour (AmE honor), host / hostess, hug, hunt
I(2): improve, insect
J(5): jeans, jog, joy, judge, junior
K(1): kung fu
L(10): lamp, landscape, lantern, laptop, lawyer, lightning, likely, literature, loss, lost
M(10): madam, mall, manner, master, material, medal, medium (pl. media), mirror, moment, mutton
N(4): narrow, negative, normal, novel
O(7): ocean, onion, opera, operate, opinion, organise (AmE organize), oven
P(29): pack, packet, paragraph, partner, penguin, pepper, per cent (AmE percent), perform, piano, pill, ping-pong, pizza, plastic, plate, p.m., poet, pork, porridge, position, positive, pot, pour, power, prefer, press, pressure, prince/princess, prove, publish
Q(1): quality
R(10): rainbow, rather, recognise (AmE recognize), recommend, recycle, reduce, remind, respect, responsible, rocket
S(20): scare, shark, shelf(pl. shelves), shock, shoot, ski, slim, snack, socialism, soil, soldier, sore, stage, stress, style, suffer, suit, survive, sweep, symbol
T(10): talent, tap, teamwork, teenage, tent, theirs, therefore, throat, thunder, tofu
U(2): uniform, universe
V(5): view, virus, voluntary, volunteer, vote
W(4): wave, whale, within, wolf (pl. wolves)
Y(2): yogurt, youth
删除词汇（56词）:
A: agreement
B: bored
C: certainly, coal, communication, crayon
D: decision, development, difficulty, direction, discovery, discussion
E: eastern
F: fisherman
G: granddaughter, grandparent, grandson
H: handbag, headache
I: introduction, invention
L: leader, lucky
M: manager, missing, musician
N: natural, noisy, northern
P: player, pollution, pronunciation, pupil
R: rainy
S: secretary, silence, sleepy, snowy, southern, speaker, stomachache, stranger, stupid, successful, suggestion, swimming
T: telephone, toothache, twice
U: used, useful, usually
V: valuable, visitor
W: western, writer
合并词汇（4词）：
actor / actress, anybody / anyone, everybody / everyone, somebody / someone
变化词汇（27词）：
a / an, according(to), can (can’t / cannot), final (finally), gentleman (pl. gentlemen), grey (AmE gray), ice cream, life (pl. lives), maths (=mathematics, AmE math), mobile (mobile phone), Mr (AmE Mr.), Mrs (AmE Mrs.), Ms (AmE Ms.), nation (national), Olympic (Olympics), popular (pop), postman (pl. postmen), policeman / policewoman (pl. policemen / policewomen), recent (recently), TV (=television), towards (AmE toward), tradition (traditional), wife (pl. wives)