锟斤拷锟斤拷锟斤拷锟斤拷锟絵目锟斤拷锟斤拷锟斤拷锟斤拷(sh锟斤拷)锟絎(xu锟斤拷)锟斤拷(f锟斤拷)锟斤拷(x锟斤拷)锟教帮拷锟斤拷锟斤拷锟絚锟姐法锟絚锟斤拷(f锟斤拷)锟斤拷(sh锟斤拷)锟斤拷項忥拷(f锟斤拷)锟斤拷(x锟斤拷)

锟斤拷锟斤拷(锟絩锟絞120锟斤拷鐘ｏ拷锟組锟斤拷150锟斤拷)

锟斤拷锟斤拷一锟斤拷锟絰锟斤拷锟絵锟斤拷锟斤拷锟斤拷锟絵锟斤拷12小锟絵锟斤拷每小锟絵5锟斤拷锟斤拷锟斤拷60锟斤拷.锟斤拷每小锟絵锟給锟斤拷锟斤拷锟侥傦拷锟絰锟斤拷锟�锟斤拷只锟斤拷一锟斤拷欠锟斤拷锟斤拷}目要锟斤拷锟�.

锟斤拷锟斤拷1.锟斤拷锟叫筹拷锟斤拷锟斤拷斜锟绞咎庯拷锟斤拷锟斤拷锟斤拷(锟斤拷锟斤拷)

锟斤拷锟斤拷A.锟斤拷锟轿框　★拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷B.平锟斤拷锟斤拷邊锟轿匡拷

锟斤拷锟斤拷C.锟斤拷锟轿匡拷 D.锟斤拷止锟斤拷

锟斤拷锟斤拷锟金案ｏ拷C

锟斤拷锟斤拷2.a=0锟角忥拷(f锟斤拷)锟斤拷(sh锟斤拷)z=a+bi(a锟斤拷b∈R)锟介純虛锟斤拷(sh锟斤拷)锟斤拷(锟斤拷锟斤拷)

锟斤拷锟斤拷A.锟斤拷植锟斤拷锟揭�锟絣锟斤拷

锟斤拷锟斤拷B.锟斤拷要锟斤拷锟斤拷謼l锟斤拷

锟斤拷锟斤拷C.锟斤拷要锟絣锟斤拷

锟斤拷锟斤拷D.锟饺诧拷锟斤拷锟揭诧拷锟斤拷锟揭�锟絣锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷z=a+bi锟介純虛锟斤拷(sh锟斤拷)锟侥筹拷要锟絣锟斤拷锟斤拷a=0锟斤拷b≠0.∴a=0?/z锟介純虛锟斤拷(sh锟斤拷)锟斤拷z锟介純虛锟斤拷(sh锟斤拷)?a=0.

锟斤拷锟斤拷锟金案ｏ拷B

锟斤拷锟斤拷3.锟斤拷锟叫給锟斤拷锟斤拷锟絰值锟絑锟斤拷锟斤拷锟斤拷锟絖锟斤拷锟斤拷(锟斤拷锟斤拷)

锟斤拷锟斤拷A.3=A

锟斤拷锟斤拷B.M=-m

锟斤拷锟斤拷C.A=B=3

锟斤拷锟斤拷D.x+y=0

锟斤拷锟斤拷锟金案ｏ拷B

锟斤拷锟斤拷4.锟絆(sh锟斤拷)z=1+2i锟斤拷锟絫z2-2z锟斤拷锟斤拷(锟斤拷锟斤拷)

锟斤拷锟斤拷A.-3 B.3

锟斤拷锟斤拷C.-3i D.3i

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷z=1+2i锟斤拷∴z2=1+22i+(2i)2=-1+22i.

锟斤拷锟斤拷∴z2-2z=-1+22i-2-22i=-3.

锟斤拷锟斤拷锟金案ｏ拷A

锟斤拷锟斤拷5.锟斤拷(2-i)?4i=4-bi(锟斤拷锟斤拷b∈R锟斤拷i锟斤拷虛锟斤拷(sh锟斤拷)锟斤拷位)锟斤拷锟絫b=(锟斤拷锟斤拷)

锟斤拷锟斤拷A.-4 B.4

锟斤拷锟斤拷C.-8 D.8

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷4-bi=(2-i)?4i=8i+4=4+8i.

锟斤拷锟斤拷∴b=-8.

锟斤拷锟斤拷锟金案ｏ拷C

锟斤拷锟斤拷6.锟斤拷(d锟斤拷ng)a=3锟絩锟斤拷锟斤拷锟斤拷某锟斤拷锟斤拷輸锟斤拷锟侥結(ji锟斤拷)锟斤拷锟斤拷(锟斤拷锟斤拷)

锟斤拷锟斤拷IF锟斤拷 a<10锟斤拷 THEN

锟斤拷锟斤拷y=2*a

锟斤拷锟斤拷ELSE

锟斤拷锟斤拷y=a*a

锟斤拷锟斤拷A.9 B.3

锟斤拷锟斤拷C.10 D.6

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷該锟斤拷锟斤拷锟绞撅拷锟斤拷欠侄魏锟斤拷锟�(sh锟斤拷)y= 锟侥岋拷锟斤拷(y锟斤拷ng)锟斤拷锟絫.

锟斤拷锟斤拷∴锟斤拷(d锟斤拷ng)a=3锟絩锟斤拷y=6.

锟斤拷锟斤拷锟金案ｏ拷D

锟斤拷锟斤拷7.锟紽(xi锟斤拷n)锟給锟斤拷一锟斤拷锟姐法锟斤拷锟姐法锟絑锟斤拷锟斤拷D锟斤拷锟斤拷輸锟斤拷值锟斤拷1锟斤拷锟絫輸锟斤拷值x锟斤拷(锟斤拷锟斤拷)

锟斤拷锟斤拷INPUT锟斤拷 x

锟斤拷锟斤拷IF锟斤拷x≥0锟斤拷THEN

锟斤拷锟斤拷y=x2

锟斤拷锟斤拷ELSE

锟斤拷锟斤拷y=x+3

锟斤拷锟斤拷END锟斤拷 IF

锟斤拷锟斤拷PRINT锟斤拷 y

锟斤拷锟斤拷END

锟斤拷锟斤拷A.1 B.-2

锟斤拷锟斤拷C.1锟斤拷-2 D.±1

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷該锟斤拷锟斤拷锟绞撅拷锟斤拷欠侄魏锟斤拷锟�(sh锟斤拷).

锟斤拷锟斤拷y= 锟侥岋拷锟斤拷(y锟斤拷ng)锟斤拷锟絫.锟斤拷(d锟斤拷ng)y=1锟絩锟斤拷锟斤拷x≥0锟斤拷锟絫x=1锟斤拷锟斤拷x<0锟斤拷锟絫x=-2.

锟斤拷锟斤拷锟金案ｏ拷C

锟斤拷锟斤拷8.锟节忥拷(f锟斤拷)平锟斤拷锟�(n锟斤拷i)锟斤拷锟斤拷(f锟斤拷)锟斤拷(sh锟斤拷)i1+i+(1+3i)2锟斤拷锟斤拷(y锟斤拷ng)锟絚位锟斤拷(锟斤拷锟斤拷)

锟斤拷锟斤拷A.锟斤拷一锟斤拷锟斤拷 B.锟节讹拷锟斤拷锟斤拷

锟斤拷锟斤拷C.锟斤拷锟斤拷锟斤拷锟斤拷 D.锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷i1+i+(1+3i)2=i(1-i)2+1+23i-3=-32+(12+23)i.

锟斤拷锟斤拷∴锟斤拷(f锟斤拷)锟斤拷(sh锟斤拷)锟斤拷锟斤拷(y锟斤拷ng)锟絚锟节第讹拷锟斤拷锟斤拷.

锟斤拷锟斤拷锟金案ｏ拷B

锟斤拷锟斤拷9.小锟街愛好科硷拷小锟絣(f锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷息锟絩锟絞锟絆(sh锟斤拷)計锟斤拷一锟斤拷锟斤拷(sh锟斤拷)锟斤拷锟紻(zhu锟斤拷n)锟絈锟斤拷锟斤拷锟斤拷锟紻(zhu锟斤拷n)锟絈規(gu锟斤拷)锟絫锟斤拷D锟斤拷示.锟斤拷锟斤拷锟斤拷锟斤拷(d锟斤拷ng)輸锟诫數(sh锟斤拷)锟斤拷1,2锟斤拷-4,5锟絩锟斤拷輸锟斤拷锟侥旓拷(sh锟斤拷)锟街烇拷8锟斤拷-6,6,6.锟紽(xi锟斤拷n)锟斤拷輸锟斤拷锟斤拷一锟組锟斤拷(sh锟斤拷)锟街烇拷-1锟斤拷-1锟斤拷6锟斤拷-1锟斤拷锟絫锟斤拷輸锟斤拷臄锟�(sh锟斤拷)锟街烇拷(锟斤拷锟斤拷)

锟斤拷锟斤拷A.2,3锟斤拷-5,4 B.2,3锟斤拷-5,1

锟斤拷锟斤拷C.-5,3锟斤拷-2,4 D.2,3,5锟斤拷-1

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絰锟斤拷械臄锟�(sh锟斤拷)锟街达拷锟斤拷锟斤拷C知.锟斤拷(y锟斤拷ng)锟絰C.

锟斤拷锟斤拷锟金案ｏ拷C

锟斤拷锟斤拷10.锟斤拷锟絰锟絓锟斤拷abcd=ad-bc锟斤拷锟絫锟斤拷锟较條锟斤拷1-1zzi)=4+2i锟侥忥拷(f锟斤拷)锟斤拷(sh锟斤拷)z锟斤拷(锟斤拷锟斤拷)

锟斤拷锟斤拷A.3-i B.1+3i

锟斤拷锟斤拷C.3+i D.1-3i

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絓锟斤拷知1-1zzi)=zi+z=z(1+i)

锟斤拷锟斤拷∴z(1+i)=4+2i锟斤拷∴z=4+2i1+i=(1+i)(3-i)1+i=3-i.

锟斤拷锟斤拷锟金案ｏ拷A

锟斤拷锟斤拷11.锟斤拷x锟斤拷锟斤拷锟斤拷锟斤拷D锟斤拷輸锟斤拷锟侥結(ji锟斤拷)锟斤拷锟斤拷(锟斤拷锟斤拷)

锟斤拷锟斤拷A.34 B.45

锟斤拷锟斤拷C.56 D.67

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷i=1锟絩锟斤拷A=12-12=23锟斤拷

锟斤拷锟斤拷i=2锟絩锟斤拷A=12-23=34锟斤拷

锟斤拷锟斤拷i=3锟絩锟斤拷A=12-34=45锟斤拷

锟斤拷锟斤拷i=4锟絩锟斤拷A=12-45=56.

锟斤拷锟斤拷锟結(ji锟斤拷)锟斤拷.

锟斤拷锟斤拷锟金案ｏ拷C

锟斤拷锟斤拷12.锟絆(sh锟斤拷)f(n)=(1+i1-i)n+(1-i1+i)n(n∈N*)锟斤拷锟絫锟斤拷锟斤拷{x|x=f(n)}元锟截的傦拷锟斤拷(sh锟斤拷)锟斤拷(锟斤拷锟斤拷)

锟斤拷锟斤拷A.1 B.2

锟斤拷锟斤拷C.3 D.锟給锟紽锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷1+i1-i=(1+i)(1+i)(1-i)(1+i)=2i2=i.

锟斤拷锟斤拷1-i1+i=-i.∴f(n)=in+(-i)n.

锟斤拷锟斤拷锟斤拷(d锟斤拷ng)n=1锟絩锟斤拷f(1)=0;锟斤拷(d锟斤拷ng)n=2锟絩锟斤拷f(2)=-2;

锟斤拷锟斤拷锟斤拷(d锟斤拷ng)n=3锟絩锟斤拷f(3)=-i+i=0;锟斤拷(d锟斤拷ng)n=4锟絩锟斤拷

锟斤拷锟斤拷f(4)=1+1=2.锟斤拷in锟斤拷锟斤拷锟斤拷锟斤拷知锟斤拷锟斤拷锟斤拷锟叫僅锟斤拷3锟斤拷元锟斤拷.

锟斤拷锟斤拷锟金案ｏ拷C

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷}锟斤拷锟斤拷锟斤拷锟絵锟斤拷4小锟絵锟斤拷每小锟絵5锟斤拷锟斤拷锟斤拷20锟斤拷.請锟窖达拷锟斤拷锟斤拷锟絵锟叫橫锟斤拷锟斤拷.

锟斤拷锟斤拷13.锟給锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟剿筹拷锟斤拷锟絓锟叫的結(ji锟斤拷)锟斤拷锟斤拷________.

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絰锟斤拷锟斤拷知A=8锟斤拷X=5锟斤拷

锟斤拷锟斤拷B=5+8=13.

锟斤拷锟斤拷锟金案ｏ拷A=8锟斤拷B=13

锟斤拷锟斤拷14.锟斤拷(f锟斤拷)锟斤拷(sh锟斤拷)(1+1i)4锟斤拷值锟斤拷________.

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷1+1i=1-i锟斤拷∴(1+1i)4=(1-i)4=(1-i)2?(1-i)2

锟斤拷锟斤拷=(-2i)(-2i)=4i2=-4.

锟斤拷锟斤拷锟金案ｏ拷-4

锟斤拷锟斤拷15.锟絰锟斤拷锟斤拷锟紻锟斤拷锟絫該锟斤拷锟斤拷锟紻锟斤拷示锟斤拷锟姐法锟斤拷锟斤拷锟斤拷________.

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷該锟斤拷锟斤拷循锟絟(hu锟斤拷n)锟結(ji锟斤拷)锟斤拷(g锟斤拷u)锟斤拷i锟斤拷計锟斤拷(sh锟斤拷)變锟斤拷锟斤拷锟斤拷S=S×i锟叫匡拷锟斤拷锟叫旓拷锟斤拷锟絊=1×3×5×7×…×n.

锟斤拷锟斤拷锟金案ｏ拷計锟姐并輸锟斤拷使1×3×5×…×n≥10000锟斤拷锟斤拷锟斤拷锟斤拷小锟斤拷锟斤拷锟斤拷(sh锟斤拷).

锟斤拷锟斤拷16.锟紧將忥拷(f锟斤拷)锟斤拷(sh锟斤拷)1+3i1-i锟斤拷示锟斤拷a+bi(a锟斤拷b∈R)锟斤拷锟斤拷式锟斤拷锟絫a+b=________.

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷1+3i1-i=(1+3i)(1+i)(1-i)(1+i)=-2+4i2=-1+2i.∴a=-1锟斤拷b=2.

锟斤拷锟斤拷∴a+b=1.

锟斤拷锟斤拷锟金案ｏ拷1

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷}锟斤拷锟斤拷锟斤拷锟絵锟斤拷6小锟絵锟斤拷锟斤拷70锟斤拷.锟斤拷锟�(y锟斤拷ng)锟斤拷锟斤拷锟斤拷锟斤拷锟絝锟斤拷锟斤拷锟紺锟斤拷锟絕锟教伙拷锟斤拷锟姐步锟紼.

锟斤拷锟斤拷17.(10锟斤拷)锟斤拷知锟絚A(-1,0)锟斤拷B(3,2)锟斤拷锟斤拷锟斤拷锟斤拷直锟斤拷AB锟侥凤拷锟教碉拷一锟斤拷锟姐法.

锟斤拷锟斤拷锟解：锟斤拷一锟斤拷锟斤拷锟斤拷直锟斤拷AB锟斤拷斜锟斤拷k=2-03-(-1)=12.

锟斤拷锟斤拷锟节讹拷锟斤拷锟斤拷锟斤拷锟絚斜式锟斤拷锟斤拷直锟斤拷AB锟侥凤拷锟斤拷

锟斤拷锟斤拷y-0=12[x-(-1)].

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟节讹拷锟斤拷锟侥凤拷锟教伙拷锟斤拷锟斤拷锟矫碉拷锟斤拷锟斤拷x-2y+1=0.

锟斤拷锟斤拷18.(12锟斤拷)锟斤拷知锟斤拷(f锟斤拷)锟斤拷(sh锟斤拷)z锟侥癸拷軛锟斤拷(f锟斤拷)锟斤拷(sh锟斤拷)锟斤拷z-锟斤拷锟斤拷z?z--3i?z=101-3i锟斤拷锟斤拷z.

锟斤拷锟斤拷锟解：锟絆(sh锟斤拷)z=x+yi(x锟斤拷y∈R)锟斤拷锟絫z-=x-yi.

锟斤拷锟斤拷锟斤拷锟斤拷知锟斤拷锟斤拷

锟斤拷锟斤拷(x+yi)(x-yi)-3i(x+yi)=101-3i锟斤拷

锟斤拷锟斤拷∴x2+y2-3xi+3y=10(1+3i)10锟斤拷

锟斤拷锟斤拷∴x2+y2+3y-3xi=1+3i锟斤拷

锟斤拷锟斤拷∴ 锟斤拷∴ 锟斤拷 .

锟斤拷锟斤拷∴z=-1锟斤拷z=-1-3i.

锟斤拷锟斤拷19.(12锟斤拷)锟絕锟斤拷锟斤拷锟給锟斤拷锟斤拷锟紻锟斤拷锟絝锟斤拷锟斤拷锟斤拷锟斤拷示锟侥猴拷锟斤拷(sh锟斤拷)锟斤拷锟斤拷(d锟斤拷ng)輸锟斤拷x=2锟絩锟斤拷锟斤拷輸锟斤拷锟斤拷y值.

锟斤拷锟斤拷锟解：锟絰锟紻锟斤拷知锟斤拷锟斤拷锟斤拷示锟侥猴拷锟斤拷(sh锟斤拷)锟斤拷

锟斤拷锟斤拷y=

锟斤拷锟斤拷锟斤拷(d锟斤拷ng)x=2锟絩锟斤拷輸锟斤拷锟斤拷y=-4.

锟斤拷锟斤拷20.(12锟斤拷)锟斤拷知1+i锟角岋拷系锟斤拷(sh锟斤拷)锟斤拷锟斤拷x2+ax=b=0锟斤拷一锟斤拷锟斤拷.

锟斤拷锟斤拷(1)锟斤拷a锟斤拷b锟斤拷值.

锟斤拷锟斤拷(2)試锟叫旓拷1-i锟角凤拷锟角凤拷锟教的革拷.

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷1+i锟角凤拷锟教的革拷锟斤拷锟斤拷1+i锟斤拷锟诫方锟教匡拷锟斤拷锟矫忥拷(f锟斤拷)锟斤拷(sh锟斤拷)锟斤拷锟斤拷锟斤拷a锟斤拷b锟斤拷值锟斤拷然锟斤拷锟斤拷锟斤拷C1-i锟角凤拷榉斤拷痰母锟�.

锟斤拷锟斤拷锟解：(1)锟斤拷1+i锟角凤拷锟斤拷x2+ax+b=0锟侥革拷锟斤拷

锟斤拷锟斤拷∴(1+i)2+a(1+i)+b=0锟斤拷

锟斤拷锟斤拷锟斤拷(a+b)+(a+2)i=0

锟斤拷锟斤拷∴ ∴

锟斤拷锟斤拷∴a锟斤拷b锟斤拷值锟斤拷a=-2锟斤拷b=2.

锟斤拷锟斤拷(2)锟斤拷锟教烇拷x2-2x+2=0

锟斤拷锟斤拷锟斤拷1-i锟斤拷锟诫方锟斤拷

锟斤拷锟斤拷锟斤拷邊=(1-i)2-2(1-i)+2

锟斤拷锟斤拷=-2i-2+2i+2

锟斤拷锟斤拷=0锟紷然锟斤拷锟教筹拷锟斤拷.∴1-i也锟角凤拷锟教碉拷一锟斤拷锟斤拷.

锟斤拷锟斤拷锟絚锟絬锟斤拷锟絚锟斤拷(f锟斤拷)锟斤拷(sh锟斤拷)锟斤拷锟斤拷锟斤拷锟絇(gu锟斤拷n)锟侥嗭拷锟絵锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟矫忥拷(f锟斤拷)锟斤拷(sh锟斤拷)锟斤拷鹊某锟揭�锟絣锟斤拷锟斤拷锟窖忥拷(f锟斤拷)锟斤拷(sh锟斤拷)锟斤拷锟絵锟紻(zhu锟斤拷n)锟斤拷锟介實锟斤拷(sh锟斤拷)锟斤拷锟�.注锟解：锟节忥拷(f锟斤拷)锟斤拷(sh锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絚系锟斤拷(sh锟斤拷)锟斤拷锟絇(gu锟斤拷n)系锟斤拷然锟斤拷锟斤拷锟斤拷锟斤拷锟叫別式“Δ”锟斤拷锟斤拷锟絤锟斤拷.

锟斤拷锟斤拷21.(12锟斤拷)锟絆(sh锟斤拷)計锟斤拷锟斤拷锟斤拷锟斤拷輸锟斤拷锟斤拷锟斤拷锟缴傦拷锟斤拷锟斤拷(sh锟斤拷)锟斤拷锟斤拷锟侥达拷小锟斤拷锟斤拷锟斤拷锟斤拷锟�锟斤拷锟斤拷輸锟斤拷.

锟斤拷锟斤拷锟解：锟斤拷锟斤拷锟紻锟斤拷锟铰ｏ拷

锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷INPUT锟斤拷“a锟斤拷b=”;锟斤拷a b;

锟斤拷锟斤拷IF锟斤拷a

锟斤拷锟斤拷x=a

锟斤拷锟斤拷a=b

锟斤拷锟斤拷b=x

锟斤拷锟斤拷END锟斤拷IF

锟斤拷锟斤拷PRINT锟斤拷a锟斤拷b

锟斤拷锟斤拷END

锟斤拷锟斤拷锟絚锟絬锟斤拷锟轿猴拷一锟斤拷锟絣锟斤拷锟斤拷锟叫斷都锟叫滿锟斤拷锟絚锟斤拷锟組锟斤拷煞N锟斤拷锟斤拷锟斤拷锟斤拷锟絵锟叫的嗭拷锟絵只锟斤拷處锟斤拷锟斤拷锟叫碉拷一锟絅锟斤拷锟斤拷锟斤拷锟斤拷锟絰锟斤拷锟剿碉拷一锟絅锟絣锟斤拷锟絑锟斤拷.

锟斤拷锟斤拷22.(12锟斤拷)锟絆(sh锟斤拷)計一锟斤拷锟姐法锟斤拷輸锟斤拷一锟斤拷锟絎(xu锟斤拷)锟斤拷锟侥成匡拷S锟斤拷锟斤拷锟斤拷(j锟斤拷)該锟缴匡拷锟侥诧拷同锟斤拷锟斤拷锟斤拷輸锟斤拷锟斤拷锟斤拷S<60锟斤拷锟絫輸锟斤拷“锟斤拷锟斤拷锟斤拷”;锟斤拷60≤S<85锟斤拷锟絫輸锟斤拷“锟斤拷锟斤拷”锟斤拷锟斤拷S≥85锟斤拷锟絫輸锟斤拷“锟斤拷(y锟斤拷u)锟斤拷”.锟斤拷锟斤拷锟斤拷锟斤拷锟紻锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷.