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新概念英语第二册课后练习答案
L 1
bcbdc
adbac
cc
L
2
cdcca
bbadc
db
L 3
cacad
bccba
bb
L
4
dbabb
acbca
cc
L 5
cadbc
6
dacdd
L 7
bccda
8
dbbac
L 9
bbdaa
10
addcb
L 11
bbbab
12
ccadd
L 13
bdbca
14
bcacd
L 15
dbcbc
16
aadab
L 17
dbbdc
18
bdbdb
L 19
adccd
20
bcbbc
L 21
cdcda
22
dbddb
adaba
cbbad
cacac
ccacc
adacd
bbcaa
bcbcb
dadcc
adadd
cbaac
cdcac
bcbca
bcacc
cbbad
dacda
da
bb
ca
bd
aa
ad
bb
cb
da
ad
cb
cc
da
cc
bb
L
L
L
dabcb
ad
cdacb
ab
bbdbb
dc
L
L
L
L
L
L
L 23
aaacc
addbb
ad
L
24
baaca
acccb
ab
L 25
cbbab
cdbaa
da
L
26
adcba
ddabd
bd
L 27
dcddd
baddc
cc
L
28
cdbbc
dbdcd
L 29
bccbd
babbb
30
aadab
cccda
L 31
dbaca
adabc
32
cccbb
cadad
L33
dbdac
bbccc
dabca
dcbcb
ca
L35
adadd
adaba
addcd
ccbad
cc
L37
cbbbb
dacda
bcaac
bddba
dd
L39
dacdd
abacc
ccbca
acbbb
bd
L41
aacdc
bbada
dddbb
cddac
da
L43
bbaad
daccd
ba
dd
bc
ac
dd
ba
ab
cb
ac
L34
L36
L38
L40
L42
L44
cc
L
ac
L