1972-04-12 — Page 22

頁二第張六第 日九廿月二年子壬歷夏

WAH KIU YAT PO

郭日僑華

Although spacers are poisonous,

橋

spin a carpet.

8, do much hary

C. do no hara

D, make some silk

E. are friendly

A B CD

5.00000

1912英文中學會考試題預習專欄

化學科

三期星日二十月四年二七九一座公气一十六國民華中 育敎僑華

Kay materiais are constantly being fed

n from the tap or the furnace and iron and blag are removed separately at the

bot A diagram of the blast furnace is given belowi

SECTION B

Think

II. Read each sentence carefully.

of a word to fill each blank. Example: As out is to th, so is over

to under.

upstairs

1972 中學入學試

試題預習專欄

智慧出版社主編

英文科

(十四)

As left as to right

Aa finger 15 to tos

ANSWERS TO PREVIOUS EXERCISES

nest is to bird, so is

SECTION

As ame:13

tailc

is to shoes 30 clothes.

SECTION

riding

too

suddenly

red

had

very

front

The door bell is too high

for me to reach.

2. On knowing the good result,

he was very pleased.

3. Dr. Wong asked Sui Ying

she was better then.

If you do it carefully,

you 11 get high marks.

He hopes that he will be

an engineer.

SECTION A

multiple choice)

Read the following carefully.

Spiders are small living things with four pairs of legs and two hands to feel with. They have eight eyes, and can apin a carpet of silk for catching flies, usually up in the comer of a ceiling or behind tall furniture. When it gets dusty, people say, look at that cobweb!" and sweep it away, perhaps not dreaming there may be a spider in it, In fact, you may never see a house spider, unless at night when it comes out to find a drop of water to drink, perhaps at the bottom of a bath.

Though nouge splaers inject poison to kill insects, they are not at all. harmless to humans. The mouth is too tiny to eat with Their webs are not sticky like outdoor ones, but they can catch the legs of visiting insects.

Now chodau wie best answer and draw A

firm line across the orrect box...

No 10 beaT

OF

III. Write a question tag to each of the

following.

That is an excellent idea

There aren't many people here,

The new boys look smar

It may be tine to-

Joan Hong wishes she could come

ANSWERS TO PREVIOUS

t they

42 mayn tit

tshe

SECTION

Faultiple choice)

Choose the best answer and drew a 111

line across the right box,

in of

Can you

Chemistry (24)

Certain industrial processes, are

considered below:

The extraction of iron.

This can be divided into two steps!

(a) The ores are roasted to form the

özide.

4Feco,

(b) The oxige so obtained are reduced to metallic fron in the blast furnace

Raw materials to be Ted into the furace are

rejo, coke, calcium carbonate

2.3

(liga stone

Reactions inside the blast ruID= ace can beat be represented: by- chemical equations.

(1) Coke 18 burat to form carbon mun- This reaction is exother“ oxide. Vic and the region of the furnace where this reaction takes place 18 keated up to a temperature of 1500 G by the heat of reaction evolved in the procesa..

20+

200+ E.

Therțial decomposition or cai carbonate.

E

Cau Cu

carbon dioxide produced hote with some more coke to carbon monoxide also.

CO

C - 200

Near the top of the furnace fron oxides are reduced by carbon

30.0 - 2

3CO

The molten Iron Binks to the. bottom of the blast furnace. the hot waste gases can be used to preheat the incoming air,

(vi) The calcium oxide produced in

(11) reacts with any impurition

BA, which is main

to fola fusible slagi

ter settles at the top of tho molton iron.

cao + 512

CAB1

We should note that as in the caso

of most industrial preparations the whole. Process 18 essentially continu

BCD

1500°C

SLAG.

нот

WASTE

·GASES:

dre reduced by.co

Blaz. formað

Lag hole

MOLTEN IRON

Yap hole

lest

The iron obtained containe 2 10 5% CarDoD, and about 3% of other elements such as Bulphur, “alcon, and phosphoric This typle of iron re of little use because it 18 brittle. It is called pig iron or cast iron.

Another form of iron called wrought iron can be obtained if we reduce the carbon content. This can be done by roasting pig iron with coku,

23

+ 30 - 486 * 300,

The carbon, content in wrought tròn 18 a8 Low as 0.3%. Wrought iron 18 mal- Teable and ductile and can be made into different chapes simply by hammering.

Steel is formed from iron by a

There are many. process called tempering. types of steel, each of which is made for apecial purpoée.

The Carbon content varies from 0.05 so 1.52. In order to give it a desired. quality, sometimes other elements are deliberately added, e-g. stainless steal contains chromium and nickel in amall GROMNIA »

truly

truthful truth

A spider has two hands and

A four eyes and four legs.

B two eyes and two legs.

C. four pairs of eyes and eight legs?

D. four pairs of eyes and two legs,

Boight eyes and four legs...

A B C D E

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A cobweb is often found

A. on the living things.

B. at night.

C. in the water.

on ceilings and behind

Pirni turs

on the spider.

see the smoket

Neither my parents nor my uncle

BC. D

have been

00000

Q has been ̈

R. are being

Everyone was surprised

death.

B C D E

7

00000

A. with

an

3. is being

were being

DOOOD

-deep

deepened.

They thanked him R. dep.th

S. deeper

deebly

true

untrue

QUEST

SECTION

00000

II. Look at the example below, Bach sentence.

has a letter. The sentences are in the wrong order, The right order is B,C, go the letters: B, A, are written in the answer spaces 12-3, provided

She told me to stand in the

corner.

B. I forgot to bring my nome- work to school yesterday. The teacher was not pleased

with be

B C D E

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A their hands

B their legs

Spiders use C. their eyes

D. their mouths

B. the web

flies and other insects.

The furniture consists C. About

D. of

00000

chairs and a sofa.

The food at the dinner

perty wa

A B C D E

1000

A flew

B. to fly

We watched the seroplane C. flying

A B C D E

D. flown

has flown

4. Spiders often come out at night

A. to feel thing

B. to drink water.

C. to dream.

D. to look at the cobweb.

8. to see a house.

B C D E

00000

In the air

A B C D E

Did you see a telephone

A. repair?

Brepaired?

G. repairing?

D. being repaired?

B. bad been repaired?

wonderful Wonderfully

wondering

wonder wondered

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interes tea..

Q. interesting

am R. most interested 5. more interested T. interest

than in swAIRE DR,

QRST

9. BOOOD

10. They all trust him because

Now read these sentences and in the way

the letters in the right order.

(a) A. "Usually he will be back at six."

B. "Hello, may I speak to Johnnie?" C. "Oh yes, I'll, agein, Good-bye."

"Sorry, he's not in at the momen "When will he be back?".

A. Vick and 1 decided to go on a pionie.

B. We each carried a bag filled with

sandwiches and drinks,

Soon we had left behind the noisy

city

When we got off the train, it wa

nearly noon;

We set off on an ear train at

8. a.