Unit16TheUnitedStatesofAmerica单元要点Wordstudy1
central2
arrival3
entry4
me-ntal5
physical6
depression7
civil8
greedy9
trader10
unemploy-ment11
unrest12
post-war13
sa-crifice14
reconstruction15
mayor16
former17
recover18
segregation19
injustice20
demonstration21
fier-ce22
non-violent23
funeral24
shoot25
vain26
dawn27
overcome28
insist29
bookstore30
gather31
bison32
plain33
kilogram34
clothing35
chief36
afterwards37
widespread38
prairie40
supply41
chain42
willing43
category1
种族隔离19
非暴力的23
北美野牛32
衣服(总称)35
心甘情愿的43
种类Usefulexpressions1
aimat2
invain3
insiston4
onsale5
inturn6
haveaneffecton7
takenotes8