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1.ʹͶr䣬ʲʲ䣬иʲ֮ϵ\䣬͔ʾпܸ׃
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2.ԂʲɵͶķrҪq2005굥ѡ⣩
A.ʲͶռ
B.ʲĦϵ
C.ʲķ
D.ʲϵ
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ϵ֮Ĺϵ
ϵ |
ʲس̶ |
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=1 |
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|
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=-1 |
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С |
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У |
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ʲϵ\(zhn)Сиʲ(zhn)ļ(qun)ƽ |
ʲ{Էɢ |
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ֹƱȫأϵ=1rϵķKиʲKļ(qun)ƽֵCȯϲܵκη
2.йʲ֮ϵ_
A.ϵ1rͶʲܵκͶʷ
B.ϵ-1rͶʲԳֵصͶʷ
C.ϵ0rͶʲ{Խ^
D.ʲ֮س̶ԽͣͶ{ɷɢͶʷKЧԽ
SABCD
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3.ͶϵCȯACȯB(zhn)ֱ12%8%ԑȱͶnCȯϵ1ϵ\(zhn)10%Cȯϵ-lϵ\(zhn)2%
S
PԑȱͶnCȯϵ1ϵ\(zhn)T(zhn)ļƽc?2%8%/210%
50%×12%50%×8%2%
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K༰?/STRONG>
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B.˾з
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D.C
SD
CȯͶϵķհϵy(tng)Էպϵy(tng)Էϵy(tng)Է\ɷɢ˾зգͨͶɢƱ㹻ʱܰеďUͳԷwϵͳԷַQwջаV֤ͨȯw?BR>2.CȯͶУͨx㹻֤ȯϿwķ?BR>A.з
B.C
C.ϵy(tng)Է
D.ϵy(tng)Է
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3.WP˾зͨ
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B.ϵy(tng)
C.
D.ϵy(tng)
SB
ϵy(tng)ֳƹ˾зգַտͨͶݠзɢ
4.CָC仯гʲʵ׃ԣӰʲķգܱɢ
S
CָӰI(y)ķգͨͶɢ