1972-04-12 — Page 23

REPICE LIBRARY

<育教僑華:頁第三張六第 日九廿月二年子壬曆复 WAH KIU AT PO

197

報日僑菜

三期星 日二十月四年二十九

六國民雄中

中文中學會考試顒預習專欄

英文科(廿四)

許藩芳

emperature. In summer temperature may reach 95 F.

the

though parte of it are colder

even than the North Fole.

物理科 (四)

itself. The topsoil sometimes

thaws to a depth of six feet

and a rich vegetation is possible. The summer days are Bo long that it is not surprising to find lilies,

Physicn (24)

(43)

1912英文中學會考試題預習專欄准

Let the S.M.F. of the cell be E. volte and its internal resistance r If the potential drop per co. along the potentiometer fire in v volts, then

When 8 ohm resistance is connected. in parallel across the cell, the current

flowing in the cell and the 8 ohm

resistance

ENGLISH (24

Model Answers 123 &

(5) are such practices to:

be tolerated

(2)It matters

(3) whatever

12 like

(1) phoning

(2)has visiteda

(4) shall we are

(2) up (2) Up

f;w

between; anong. Into

to

for for

A Rewrite the following sentences

us: directed..

, OwingAto his 111. healthy

Ar. Smyth retired from

business.

(Use "due to!),

The reason why the dog could find its way puzzled most:

(Start with Hown)

As we climbed higher, we felt colder.

(Use "The" vown. ftney. You should not leave the: castle without my permission in any circumstances. Start with "In no Circung tances")

At that time a lot of my friends. were flocking to my house.

(Use "many a")

My old friend was: waiting for me at the airport. Many new acquaintances of mine were waiting too. (Combine, using as well.

The scenes were beautiful. „flse "scenery")

The man was accused of. aetting five、to the house. (Use charged" and "setting

the house").

The:bandite、robbed. the

villagers of all their

money.

(Use "stole").

10. T em dependent on my parents.

(use

"independent")

Read. the passage carefully. cand. answer the questione

which follow:

Siberia is not

vermanently frozen. The

mountains surrounding the

rezign produce extremes of

peonies and violets blooming:

between the tree trunks.

On the other hand, a deer

·vermanently frozen layer of: earth serves as a natural refrigerator and dead animals: of prehistoric period are: often augudand eaten by will dogs. In 1901, a periisconic mammoth was reported to have been: found frozen into the side of the cliff. Most of its body was fin good condition: and finally it was excavated and taken aray.for reserve t tion and stuur

It is also reported that once the director ofte. recientific institute in ratusais found a beetle encased in the

and kept it as an ornament.

the ice melted, the beetl after its long leeg of millions of years woke up and flew out of the window,

For each. of the followi find a word of similar meaning in the passage. fa) not temporarily (b) warm into a liquid

state flowering

(d)plants growing i接

place.

(e) belonging to a time

before history

an cooling apparatus an:extinct elephant: h) steeprock-face: (i) aug up.

j) a thing that adorns

What produces extremes temperature in Siberia? Which.sentence in the passage shows that it is Sometimes exceedingly hot in Siberia?

What: serves as a natural refrigerator?

What prehistoric animal was found in 1901?

5. By what are the prehistori

sanimals dug up and eaten? -What did the director of

a scientific institute in Yakutsk find?

What is a rich vegetation possible in Siberia?

Which sentence in the

passage shows that the

beetle lived unbelievabi

long?

What was the beetle in the

ice used for?

li

To compare the E. Mify of 2 bells, the apparatus, is set up as shown in the

Contact is made with the firet gell (E.), and the length of the potentioma- ter required to balance it is found (X,), The same procedure (L) is repeated for

the second cell (E2),

Since no current passes throug galvanometer, the B.M.F. of the cell is balanced by the voltage drop along the wire, which is proportional to the length of the wire at balance

Realatance of 200

Rebratance of 125 cp. len

24x

125

The voltage drop along this wire balancea an E.M.F. of 1.1 volta. Hence its volt- age drop (V) is 1.1 volte

Curs

along the wirs

200

The current flowing in the potenti in 0.4 amperes

(44)

-120

volta

Thin length or

(2)

acroge the terminali

8 volta

is balanced by 120 ca

lometer wire.

150

120

120(8

150

The internal resistance of the call is 2 ohme

(45)(a) Describe how would you use a potentiometer to compare two. resistancea. Give the theory or the method you describe.

(b) A skeleton cube is made of wire

soldered together at the cornera of the cube, the resistance of esch wire being 10 ohas. ¿A cur- rent or amperes enters at one corner and leaves by the corner. diagonally opposite. Calculate the equivalent resistance of the network and the fall of potential,

acroa:

(46)(a) What is meant by the sero error of an instrument? Describe how the zero error of a potentiometer may be measured

b) Describe a method of measuring

the resistance of a galvanometer

A galvanometer has a shunt of registance 30 ohma, and the rest of the circuit comprises a cell a resistance of 450 ohms.

the ehunt is changed to 20 ohms. and the external resistance de- creased from 450 ohms to 350 ohms, the galvanometer indicates the game current as before. Find the resistance of the gal- varopater.

擺明九 點

笑剌絕 1 牙片激頂 之緊瘋 王 張狂

保笑收我横 證料入是衝 絕最最鼻直 倒好高祖撞

已數笑泰三 逾年彈斗大 九首 十賣

萬座作放劇 爾

波維爾

波

「鄉下佬

易路 利泰

焦迪湯 之鬥諧

尼芽 龙芬 士馬

「崩牙佬」

景美

暎类 晚今

五十

場優

圍重面撞直衝横走

笑都喞唔。尾到頭從

shot at !

NU CARTMAN COLOUR ANAVITÓ

we're being............

唯同烏匪鬼怪綫鳥。區盟 我類龍夷計招 德英。巴飛 獨影空所多百軍雄。黎機 尊片前思瑞出脚衝。

亂破。翻 幕銀闊視透彩七 手封

忙鎖。覆陷

Don't Look NOW

CANN

IMPERIAL PICTURES.

PAEDENTATION: