in earnest=seriously 
in fact
ingenious adj.机灵的, 有独创性的, 精制的, 具有创造才能 
ingenuity n.机灵, 独创性, 精巧, 灵活性 
ingenuity—— resourcefulness (resourcefulness n.足智多谋) 
Inhabit -- Live 
inhibit ——hindered (hinder adj.后面的v.阻碍, 打扰) Control, limit, restrain 
inimical---unfriendly----2月高频
in keeping with==consist with 
initiate =begin 
innocent (adj.(~ of) 清白的, 无罪的, 天真的, 无知的) 
innumerable = countless 
In quantity——in a large amount of 
inroad (n.(突然)袭击、侵犯, 攻击(upon, on, into);[常用复]损害; 侵蚀; 花费(into, on)
inscribe-- written 
Instant = moment (adj. N. 片刻,瞬间) 
intangible (adj.难以明了的, 无形的)
intensify-strengthen
intimidating 威吓, 胁迫 
intricate----complicate
in spite of that : HOWEVER 
invade —— move into (invade vt.侵略, 侵袭, 拥挤) 
invaluable——highly useful (可能是选反义词?) 
invaluable = precious 
Invariably = always 
inventive 善于创造发明的
J
jeopardy=threaten 
jolting ——shocking 
Judge (判断,评价) = estimate 
K
keeping with=?       选项:consistent of/free of/fill with/ 
key——significant 
L
lack——without 
laden---loaded 
landscape=scenery 
launch = start
limited-stricted
linked——connected 
luxuriant=thriving( 答案还有moist) 
M
magnitude——extend 
maintain-continue 
make sense – 我选 logical 
mammoth-----huge    注mammoth做adj时=巨大的
mask = disguise   MASKED 伪装的,隐藏的,潜伏的
masked 
mastery的形容词形式 ----expert 
matched=equaled/compared我选的equaled 
matter文中issue 
mean --- signify (还有一选项intend) 
means=method
memorable---noticable 
merit (n.优点, 价值v.有益于) 
Meticulous ===careful 
Milestone = significant events ( in the context) (select in whole paragraph, spend much time for this one) 
migrant - --movement
milestone——significant development 
minutely adv.详细地, 精密地 
minutely——finely 
minute ——tiny 
minuscule——tiny 
misnomer=wrong name
model:(1)theory (2) method 不是很确信, 我选了 theory 
(model:的语境是 the rocks have different the models of origin) 
model--form/frame (我选的form) 
modification——alteration(另有clarification), 
monitored——observed 
Moreover—additionally 
moreover=in addition( 答案还有thus) 
monopolize form --dominate 
monotonous——boring 
Mosaic == Things considered together as a pattern 
motive (n.动机, 目的 adj.发动的, 运动的) 
motif--pattern (motif(艺术作品的)主题,主旨,图案,主题曲 (亦作:motive) 
(pattern n.模范, 式样, 模式, 样品, 格调, 图案 vt.模仿, 仿造, 以图案装饰 vi.形成图案) 
mounting
N 
nature——character    易混选项origin
notable---a: REMARKABLE b : DISTINGUISHED, PROMINENT
note--record 
notion-general idea 
notwithstanding ——despite 
O
obscure=conceal 答案有干扰选项diminish 
obscured-- conceal 
obtain ——acquire 
occasion-event