1966-02-09 — Page 19

贯三張五第

+-

WAH KIU YAT

華僑教育

中考試試題預習專欄

英文科 (t)

方問陶。

其中会考試題預習專欄

TESTE

ring allowed" ́1

39

dimates

物理科

(E)

̇陸永熾

flead each, sentence careľüny Think of a word to fill each Examplar: Le:Captain is to ship. so is Beadmaster to School

Lank

fares soldier is to Army 80 18 dallar to

Solution

PHYSICS (6)

Lu Wing Chee

(a) The centre of gravity of a body is a point through which

all its weight may be taken to act

(W) To determine C,G of a fiat card of irregular shape

Three Goles are made at different positions of the edge of the card. a stout pin is then put through one of thes so that it can swing freely. The card will come to rest with its centre of gravity vertically below the point of support. 4 plumbline de hung from the pin and two smal pencil crosses are marked and joined."

The experiment. Li

repeated by one of the other holes Since the

lies on both of

C.

the lines it must be situated at their

Intersecting point

As check, 25 48 suspended by the third hole. It should be found that, within the: limits of experimental error, the three lines are concurrent.

fbl ne foot le to Raad, se to Ankle to

Toe Mountata is to 8113.1

idi ka at. 44 to

to rea

so te Water to Drinking.

1 to Forget so te Jo1p to Separate

Call so the blanks with the given verbs in the correct tense (a) STRIKE

·(e) 00

le. SPEAK

Gieten, the 'clock

Last week on The careless bay never foung boys analy Tomorrow thi

Choose the oast word to go in where there is an

期堂

日九月二年六六九一磨公年五十五民集中

ready now) Then why don't you t6] at???. asid the many “Taa

alving for your friends; (7) the host

st friends?" enquired the

"You ordered dinner (8) tares," saad the cLAST, "I know 119),

answered the son. "ed I am waiting for (201. Tá the three

line the right word which should go in each spaca

fi) visites gone, rent, saw, "travel"

Tate, cook, asket ordered, Cintahad.

Before. Since then Thy After

CA) ony in fort to se

(5) Fatshed got there. Feady good. (6) get brought bring took

(7) anised, repiled

tọ ca

19) In. ca st, for on

(10): chem, it mim, ner:

Pilt the mesing words

Cal Pom was the boy

(b) Can you call we

spoke, shouted

türen the book inis the river

#Tote this?

her uncle bought.

now

in the race.

his work we')

Fexy sweetlJĀ

(a) This là cha hat

fdl This La the nan

to our teacher:

fet Mary to the gift

Write the NUMBER

of the word, in the space provides Do not write the word

f"Oo away his other.

asked

shouted

unbrella is lost.:

hope Finish.

Ton

118 Becondary school Be

20 bis

Plase if

Line

to) "She is sirtear yeare

Janger

long"

and she is no

Longest

ohi:id

that she bust support himself." if ne

Com

of going to, i university since he secondary sensati And no thcnka-në

so support

the teacher wanted to

blank space

nonse one of the follbeing verba to go in

18 in the correct tense, forge and voice. Uss each word ONCE anty

dreed. -enter 50 talk. Nast

to be able

My

a day of aitoteen. Sext year he

to go to -a university adout this before and

Co do so

Blong

Be looked si Iin the girṛor

There te dog. I under one cras

lying

be 1

nother

fiked.

Put the words like the right order Trite but each sentence La the space.

(a) deal lithe so bat

(a) not his givə bones and father, the boy viny

(c)

G is the centre of gravity of the card which. le cut into two parts A and B. Their cantras of gravity are G and G

respectively

Suppose G' in the

centre of gravity and is not

on the line G G2'

By Newton's third law.

of motion, if the card is supported on 05 it will be in @quilibrium. But the weights of A and B provide moments that topple off thà Support That is, the supposition is Külge.

line.

GG

must be a straight"

* Let Wỵ and W2 be the

weights 6 parts and B respectively.

By the Frincade of Mampirë 31-

Change the following sentences from the Singular finto the Piura ).

necessary changes.

golden wat néhand here

noushad a brown roĠ? ~

fer Torre was a leaf on the ground

10) The gentleman our hip-money inte hae, purse

10)

miffalo fought with an of

Instead of the soró underlined, girs on that naam: the opposite

(a) We quot try to keep our riothee

(b) The soldiere fought cowardly

{c} Henry DAYANI HO12)

· 18). She closed the window Youda"

(s). De shouls go se bed late,

6. Unó BT) tre the beef word in each bracker

{Stick Paale) faint, Prist) ne bili of the wall.

caught. bays)

game?

tel. The old man was (knocked, muljed, pushed, carmed, coạn by the

(d), a munber of massiles are (ahos. •aileyos, shouted thrown?

je) Nobody should (wais, step, out pass) on the grass

heating, following -Dassage

#018 JBL Can once (1) so, une Grand Hotel in ho

for three people.

OUI LO Ende mân it would

The note) Keeper aske

Сы

-making.

(a) could if would 1 you tell. fol

(0) 50 rant thin latter stamp that can, I post:

{el tae so nimelt work də 1107.

Fae word on the left should be in the sentence

DOT

ere it should come. Sxamples

ጌጥ

Jahall viall you / Chrisland

Put mark

You not pick the flowers to the garden.

I waited the train arrived.

Be merived the station just istian for the train.

Be introduced ze nie Priand

Walk in the grazing, la plaasan

Answers to TERT: 5

1. (a) a)early. (b) angry. (o) ventonlar, (4) surprised.

(a) 2. (6) F. (e) 4, (1) GEN

w (a) Till my brotbør give John bis picture?

do] Did you go home after school?:

fol Doen she know per tuszoo well.

MAJ

DOTTOR

Your book"

Te) Have they gone to the market7

(5)-19 moving, Te] belong. (e) is bailed (0) Have Finished (e) faid.

FLONSTAD Mall, mugh my, daven... grown, daugh

„Kare Klara, (b) Post card (0) Prüffic Ita

Toy Air gai)

big, baser rAED

id short cut

coef. of friction, M

MOITAL LOTOR,

Weight of the body,# - W lb.wet

sffective force,

Friction,

[=w.cosa.

AN

0.5 x `W.com Q

When the body starts sexdang,

Y sin 0.

0.5

Ans. The least angle of the plane that will cause the body

to start sliding is 26° 34′

Total time for the whole flight in 4 BEC Its shared equally by the upward-aid». dowzard-flight.

That isp

Time for spward-flight, * = 2 sse, Vel. of stone at the

initial vol of stone

Acceleration of stone

ubero y su tre Local

aration of gravity

Since

Ans. The Inital velocity of stone is 28 Loose

ift: "of lead

2000

By Archimedes' Principle, the upthrust on the lead-lump when immersed in water is 2 kg wb. apparent weight is (24 - 2) kg.wt

Force-dil-grams drawn

with caferance. Le poinue

A and B

CD

UD *2

BE

(sides of 1808 triangle! faides

of square).

DE DOTUS

and bisects ART.

BE - EA

LE BE

Ans Tension of the cord 18 44 kg

questions (7)

block of aluminius 10 cm, nigh by cp. by on. is fastened on top of a block of copper 3 ca high by 4ch. by 4 cm. so as to make one block. If the densities of aluminium and copper are 2.7 and 9 gm,/.c& respectively, find the greatest angle through which the klanu now ha tilted about an edge without toppling

(b) AU-tube mounted on a wooden stand contains some mercury.

Into one limb there is poured paraffin oil and into the other water. The following measurements of heights above- the base of the stand were made:

upper limit of water

32.8 cm. Level of water-mercury surface

-10 cm

Level of mercury-oil surface

Upper o11 surface

30.5 cm. 30,5 cm.

灯

Both BCD and ADD are 1809 triangles

t-angled

Celeulate the SIG. of paraffin

(a). When a parachutist is falling at 30

from his pocket. Neglecting air resistence on what velocity will it have after 8 se?

(b) Calculate the work done

coin falls the coin

V = Utat

(1) in dragging a 40-16, weight 30 ft. up a smooth slopr

which rises unit for every 10 units up the slope, (11) in dragging a 40-lb, weight 30 ft across a leve.

surface, the coefficient of friction, haine, 0.20

stone of mass 100 gm. (5.G, 2.5) is dropped from

a bridge and striker the water after 2 sec. Calculate the height of the bridge above the water. If water is 31.36 metres deep, how long the stone takes to reach the

Attom? (g- 980 cm,