1976-12-29 — Page 19

郭日橋華

三期星

日九廿月二十年六七九一届公年五十六國民曲中|

育教刊畫頁三第張五第 日九初月一十年服丙糜 WAH KIU YAT PO

治任盛特在

「次繫「四人帮」之海報門廣塲外,饢樂哀悼毛

(一)在州(九)在北京天安

年大事圖片選輯

美國新聞週刊一

- (11)BENSL

|百週年記念大巡行。

四の起

[POERSKINZ]]

CHERRIK

庭受審,結果其中四人

美新城傭兵在安哥拉克 ECKINKKE

式飛機正降落於倫敦機

人在民主监大拿上一 五英航的

|蒙代爾及其子案安四 特夫人露莎建、米特、

ARRE

名機。英

[待英國伊利莎伯二世女

HOUKAFIRUK

〔七)福特正

卡卡:

女歌正

獒蘅餅

|淨東之去世。

Jimmy Carter

དྲུ::༽་་སྣ།

TAMAAN MADUNITS

225 g(6)

3x-3= 25

19-23235

x=7)(x-7) = (x-7)

x-7 = x-7

Hence it is an identity. Therefore the solution set

is the set of real numbers. except the number 74% the solution set -xx is real number and x #2}

12. "What is the

today ?"

E(6) = 23(6)+7

1977中學入學試試題預習專欄

智慧社主編

"It's 2nd June. (A. time B. day C. mement

D. date E. hour).

12.(

for.

13. Trans, bus es,

f(x) 23x-3

lorries and

care are

13.( )

英文科

(八)

D. trucks E. vehicles)

ENGLISH

14. A

(A. carts B. vans C. boets

helps us to see.

distant things.

14-()

Choose the best answer.

Write

the LETTER in the brackets.

Example: A workman works in

(A telegram B. telephone

&

(A. sea

(c)

C. television D. telescope E. thermometer)

(x +

B. land

15. Christmas is a happy

C. factory D. air E. story)

When you travel on a bus or

for all.

15.( ).

a trem, you are a

167 A

C. messenger D..stranger

2. passenger)

(A. porter B. villager,

Betty often goes to church

10)

17. We use a pair of

2.0

(A. way B. match C. festival

D. lesson E. moment)

makes suits for us. (A. tailor B. player

C. Bailor D. traveller E. inspector)

16.().

for

2 (Ans.)

17.()

In rt. A DCE,

DC CE

tan DEC

- tan 60°

Section B

As figure shown. Let OC be the height of the tower

Och

AB = 4h

In rt. AOC

LABO = 90°

659

AOhtanZAGO

Let 2300 be

= h tan 65°

20h tand

Inert. A AOB AB2

+ 803

htan 65°

- h

b2tand

16 = tan 65° + tan2d tan2d = 16 tan

= 11.399 tan376

Ent

d78°3 d = 90°

C. Tuesday D. Friday

on

(A. Londay B. Dunday

E. baturday)

we

The

helped to lock for the book I wanted to borrow.

(A. gardener B. pilot

3.0)

C. librarian D. pedestrian E. driver)

4. Mr. Lo told Ann to raise.

her

cutting cloth or paper. (A trousers B. scissors C. spectacles D.-socks. E. gloves)

..

18. A

collects fares on a tram or a bus.

(A. director B. porter C. clerk D. conductor E. manager)

18.()

19. Murses look after the hospital.

4:( )

(A. Bong B. name C. noise

D. voice E. her)

5. Tom keeps his rabbit in a

(A. doctors B. patients

C. amahe D. beggars E. waiters)

5.0)

20. There are sixty

minute.

(A. kennel B. hutch C. pen.

D. hive E. spider)

6. We get our drinking water

from the

6.()

(A. stream B. sea C. port

D. sky E. reservoir)

7. A

is a place where we can see very old things. (A. museum B. school

C. cinema D. hall

L. factory)

8. The boy w

a

9. An

7.( )

8.().

H

Area of // KHBC

A

in

19.( )

=

글 x 720m2

2

36 cm

in a

20.( )

(A. hours B. moments

C. Seconds D. quarters B. times)

ANSWERS

1.E 2-B 3.0 4.D 5.B

6.E 7-A 6.3. 9.0 10.0

11.B 12.D 13.E 14.D 15.0.

16.A 17.B 18.D15.B 20.0

新數學(八)·魯榮家·

MODERN MATHEMATICS (8). Answers to exercise 4 Section A

1.

9.7)

a cunning as

(A. lion B. fox C. goat

D. lamb E. tiger)

took the injured

driver to hospital. (A. airport B. air-condit-

ioner C. ambulance

D. inkpot E. airmail)

10. My elder brother keeps a

of his own.

(A. dairy B. daily C. diary

are called 'Shipe of

(A. Elephante B. Camels

C. Animals D. Bears

E. Kangaroos)

D. fairy E. fairly)

11.

the Desert'.

10.( )

11.)

www

1+j = @(21-3])+n(1−J)

(2m+n)~(3m+n):

2m+0 =

$

-(3m+n) = 1

Fròn (1), (2)

u =-2

n = 5 (Ana.}

2. f(x) = 8x-1

g(x)

=

23(1) 23x-3 23x+7

=2

In rt.

ABE,

(1)

= 16

(Ans.)

→

tanLAER

10 1)

x+10

tan 30°

xf10

(2)

Area of the shaded region РОЗН

Area of APOH+Area of HOQB Area of aKOQ+Area of HOQB

- Area of AHKB

Area of //O KHBC

= 18cm2 (Ans.)

2b a+3¢

from (1) y = √3x substitute into (2)

Bx 1

=

x+10

13

1

=

2

x

36cm2

n

2

a+2b

3c =

2b+3c (a+2b)x ...

(1)

26 =

а

(a+3c)x ...(2)

(2b+3c) x ...(3)

(1)- (2).

30-2b= (2b-30 )x

I = -1 (Ans.)

(1) + (2) +(3)

a+2b+3c= 2(a+2b+3c)x

8

3x = x+10x=5 CE = 5

(Ans.)

A

As figure shown.

AABC is an equilateral triangle

ZA = 4B = LC = 60°·

The perimeter of the shaded region is the sum of three equal arc- lengths.

FE =

AZ AY =

KC斑

X =

글

32

BK -

yon

(Ane.)

CX

CY=

zom

ба)

X x-7

=

x-7

(1)

If x

7 then

22-7(x-7)=77(x-7)

x = 7

* 2 (42)

360°

1

6

x 2 x 22

* 42

A3 figure shown; let

Since AB 11cm

BC 13cm

CA Bem

X

+ y = 11

y + z = 13

2 + x = 8

(3)

y 2

3

(4)

(2)

+ (4)

2y = 15 y = 8

BX = 8cm (Ans.)

= 44 (ca)

The perimeter

11) Area of 'ABC

+

(84)(84)sin60° 3055.3cm

= 44 x. 3

Area of sector ABF

ნებ

360°

X

xx (42)2 422

12/22 x 22323

* 924 cm2

x

132(cm) (Ans.)

Area of shaded region

= 3055.3 - 3 x 924

=

283.3 (cm2) (Ans.)

Since x - 7 cannot be

accepted because when x = 7,

the expression

x718

* meaningless and therefore the

solution set is empty.

(1) - (3)

**