國民華中
育教:日十二月正年巴己腦夏
2
K
出
KAGR
2018
健
中華民國僑務委吴會頒發登記證台教新字第一一○號.
:
湖北
龉
CRAZY
tá
NERO-
『也刪斷中
1989 中學會考預習專欄
明德出版社
MILL & MALE PRESS -
Geography (21) **
P. E. Chan
Urban problems (continued)
(i) Causes
(B) Urban decay
(1) Causes
physical deterioration due to age and lack of maintenance.
environmental deterioration due to congestion.
social deterioration due to in- migration.
economic deterioration due to lack of incentives.
(1) Characteristics
poor sanitation.
unstable structures. fine and health hazards.
lack of open space and community facilities.
(iii) Distribution
-Sheung Wan, Western District,
banchai, vaumati.
of
(C) Urban Sprawl
(A) Traffic problems
increase in urban population. increase in the use and ownership of private car because of rising Tiving standard, separation workplaces and residence and longer Journey to work,
Increase in various typės of journeys, e.g. shopping.
increase in economic development. increase in traffic flows, of goods
and passengers.
unplanned road systems, e.g. narrow streets.
inefficient traffic management.. inadequate public transport.
(i) Causes
-rapid urban growth.
rapid suburbanization
Towns.
(ii) Characteristics:
-rising land reat in the
urban
area.
-improved communication.
increased car ownership.
(ii) Characteristics
into nex
encroachment upon surrounding agricultural areas.
loss of farmland..
traffic jams during rush hours.
noise and air pollution.
time 18 nasted."
mental stress.
{fi}). Solutions
improved pads, ile. widening.
increase in farm abandonment. scattered, development.
(iii) Solutions
préservation and conservation natural ecosystems. seeking a balanced development. establishing a green belt.
(D) Rural Decay
building new roads, ring roads,
bypasses..
constricting tunnels,subways,
footbridges, flyovers.
(i)
controlling traffic such as bus
義美
lanes, restricted parking..
limiting the number of cars.
移增
配港香
Causes
- rural depopulation.
urban sprawl;"
suburbanization.
報日僑華
ii) Characteristics.
- unbalanced rural population structure mainly aged peuple and children.
lack of efficient farm labour supply.
Dectire in socio-economic development because of lack of government attention. derebit villages.
(E) Solutions to urban problems and
their effectiveness in Hong Kong."
六期星日五廿月二(九八九一)年八十七國民華中 34.
improved neighbourhood design.
a) self-contained, units.
b) a more pleasant environment.
redevelopment of ald: public
housing estates, e.g. Shek Kip Mei.
(IV) New Town
a) Aims
meet increasing housing demand. redistribute
-the
population.
disperse industry.
improve-urban environment.
urban
to develop self-contained and balanced community.
11 Role of the government large-scale and long planning.
term urhan
legistation.
b) Characteristics.
provision of infrastructures and public utilities.
Urban planning includes policies of.
al landuse zoning.
b) New Towns.
c) Good neighbourhood design.
d) environmental redevelopment.
e) environmental improvement.
f) environment21 conservation..
(II) Role of a citizen
cooperate with the government
se public transport. mcimize pollution.
maintain good housing condition.
|(111) Urban planning.
(1) 1953-1963.
provision of low-cost housing.
in 1953, Shek Kip Mei squatter fire,
resettlement scheme.
basic facilities.
(11) 1963-73.
improved mass housing.
more than 2 million people was. housed.
better facilities including community facilities.
(iii) 1973-present
new policy ante Home Owreg Sebanes
HOESipg
(i) location
Suburbs usually aloni the coast where reclamation possibler
frem existing market towns». Zoning of Tanduse
(16)
public housing estates and middle-incono
private
housing...
separation
between
industrial end", residential. Fanduse.
commercial activities, e.g. shops.
Community centre and Vim centre:
cultural/educational
landuse.
medical service. recreationar dandirse.
(iii) Cheaper land:
(iv) provision of public
utility services.
(v) transport planning
-KOR
good peal, road network, adequate Thadinin,
unidading and parking. facilities.
(vi) environmental conservation.
-Woodlands,
-disposal svitomi Evaluation
inadequate office employment opportunities.
pressure
ch road connecting
new town and urban area.
Inadequate transport links. inadequate schools.
(V) Transport improvement
(a) Aims
expand and improve public transport.
improve existing road system. ensure more ecoronic use of roac system.
(b) Measures
(1) Mass Transit Railway
highly efficient. comfortable, reliable and relatively safe.
(ii) koad netwerk and tunnels
-express rentoways, e.g. Island Eastern.. Corricor. ...New
·Territories Circular Road, tunnels, e.g. Airport Tunnel. (iii) Kowloon-Canton Railway,
electrified and linked with the MTR: encouraging
suburbanizations dispersal of population and industry.
(iv) Light Railway
-(v)
More public transport
carrying wore people.
taking up relatively space.
(vi) plans for road improvements,
-re main road tinging shatin and
Tsuen Wan.....
@ tunnék lincing Sui Lok Yeren to. Diamond H.
Secord Cross Harbour Tunnel.
(VI) Urban Renewal
Comprehensive rodevelopment "pul), down pre-war puildings.
clear squaller,
road widening.
provision of open space. prevision of commurity facilities. taller buildings.
提並
血提出一項移
另方面,連接
(特)表示・東海底地必香港商會
投娄貿易围領隊是
油尖旺角環境複雜 容易產生問題青年
及所
黨,進償潮員
戲機中心及休題畫所,及鍾內照批會活動,但昨日亦有三名分别一位到事的辣的 靡的迷弟公民教育活動 内没有許多桌球室,罪行,其中亦有不少,故有效的避快方法。,置正蓓現來對症下榮。 尖藏投滅罪行委員的年 *指出,油尖及旺角區 未成年少女帝生關係等 顯出現郭及早預防才是 多下苦工,了斜他們的 昨自之座慈會乃油 會委县織大會主席蘇澈 高馁,毆鬥,枝與及,讓家長應要在問 通及觀察他們的行成沚 問題的關鍵。 戱成黑 她補-
,很多與黑社會 來自楊震社會服務中心,居民就指出,區內的夜情戲就能 油尖區橉法罪行委員 在家會廳,則會習 致學氣荒意及械化魏磊|,家長寧在與子女的講持良好的溝議將系
1989 中學會考預習專欄
明德出版社
MILL & DALE PRESS
shole in the figure, ABCD is a square of area 4 cm inscribed in the cresantred at 0. Mis the mid-polt of AD. 3M and CD are produced and meet at f
(a) Prove that
(1) A PAC 15 an triangle..
isosceles
(ii) PA is a tangent of the circle at A.
(b) Find Live!
area of
trapeziu
Mathematics (22)
Exercise 22 Geometry (II) Sectibn A
W. K. Lo
1. As shown in the figure, 0.5 the
centre of the circle. LAED-80
ZADF 70°, Find 8.
ABCP.
As shown in the figure x+x+110°=130
In A
XY
X-35°
CD
*x+y+70°-180
y=180o. =75*
(1) (2)
XY
-25
9-22:180°
8=180°-2x259
#120°
(Ans.)
=
1.275 cm
Ans
TES
(b) (1)
AG-AB-4
h.
From part (a), AEC-LASF and also.
CAE=LGAF (vert opp. Es)
AAFC and BASF are similar
(proved)
[11]. AC=CG-AG-10-4-6, cm
Area of AAEC Ares of DAGF
AF
Area of AAGF
=
(AC)(FG)str120
8.66 cm2
va2+52-2(4)(5)cós120°
= 461
= 7.8 c
6.
"Area of QAEC − {xg)?x8.66
= 5.124 cm2
Lans
2. As shown in the figure, LEDF=55°
and ZDFF=60", find LACB.
p the figure, A and B are the pints of intersection of the two circles. CBD and EAF are straight lines If AB-AG and G-BD,
As shown in the figure, ACD and BCF
LCDE-115° and ZAFB 32°, find ZBFD.
are straight lines. LABC=100°,
4. As shown in the figure, PA-4 cm, AS-5 cm and PT is a tangent at T. Find the length of PT.
Cak Prove that
(i);
A
· and
contru (11)
A AFG
and F
are
arc
concyclic
(b) In addition, if CGO
AB 4 cm, FG-5 cm and ZAGE=120° (i) show that 4AEC and AGAF similar.
(11) find the area of 4AEC.
8. (a) As shown in figure (a) ABCD is cyclic quadrilateral and /DAX= LBAC.
2
(i) State the triangles similar to AADX and AAXB respectively.
(ii) Prove that
AB CE+BC DA=AC BD.
(b) As shown in figure (b) P. is a point on the smaller arc BC of the circumscribed circle of an equilateral ABC. By making use of the result of part (a), show that PB+PC-PA.
As shown in the figure,
FED=180-(60°+55°)
65° ZDOF=2XLFEC
=130°
LEOD LACB-180°
·ZACE 180-200
=50° (Ans.)
3. AFC-120°- ZABC
180°-100° =80°
.. LBFC- LAFC- LAFB
=80°-32° =48?
LCFE=180°- ZCUE
=180°-115"
=65°
LOFF= LECD
- LBCA
ANEMD
(Given)
LPMD-LAMB (Vert. opp/5)
MAR=LPDM-90°
.*. APDM-AAMB (A.S.A)
PD-AB (con. sides, as)
.". FD=AD
*. LAPO=LDAP=45
.*. LAPD=/ACP=45°
.. APAC 15 isosceles.
(11) ¿PAC-ZPAD+/DAC=45°+455-90°
... CALPA
PA is a tangent. (diamenter 1. tangent)
(b) Area of trapezium ABCP
(AB+PC) (AD)
- SEA
=32°
(8+16)(8)
LORD LOFE- LIFE =65°-32° -33-
= 96 cm2
{Ans.)
8. (a)
(i)
DAX=¿BAC
LADE-LACB (same arc)
.. AABC is similar to A ADX
[Ans.)
ZDAC=¿DAX+ZXAC
-LCAB+LXAC
-ZXAB
ZABX LACD (same are)
..AABC is similar to ZAXB (Ans.)
(ii) Since AAGAADX
(A =
DX .BC
(cor. sides, similar
As).
. BC-DA-AC-DX .............[1]
ДАВСДАХВ
無勤不關妓會
麼,少係與觸
5. In the figure, ABY CD. 17.
AB-3 cm and CD-5 cm. Find the length of XY.
Section B
Figure (a)
Figure (6)
Solutions to Exercise 22
LBFD = LOFC+ Zcro
#48 +33°
=81° (Ans.)
Since Pris tangent to the circle
.LATP
(a) (1)
- LABT 14m alt.
AAOTA APT
PI PA
Pe
PT = PA-PB
* (4)(4-5)
-36 cm2
segment)
.. PT 6 cm
Ans. J
XY
AB
aka
5. In ACB
CX
=
CA
(b),
CO XS
=
AS
(curr, sides. sinila" As}
.*. ABCD = AC XB .....(2)
(1)+(2), we have
AB-CD+880-DA = AC(DX+XB)
= AC-80 (proved)
AGAF÷BAD1
(equal chords) ZAFG-LADD
ZAGE=180°- (Z GAF +ZAFG) - =1803÷(ĹBAD÷ĹADE)
=ZABD
Since AG-PB and FG-BD
ZAGF-ZABC... (prover)
(11) LABD-LAEC (Ext. Lof cyclic
cuac.}
But LAGF480 (conn.zs, #As) .*. LAEC AGF
C,E,G and F are concyclic (equal is on the same
side)
According to the result of (a).
PB-CA+PC-AB-AP-BC .....(5).
Since AABC is equilateral, Let CA-AB-BC=a. Substitute into (3)
PB-¿+PC+a=AP+a [PBIPC)=AP-2
PB+PC=PA (Proved)