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
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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
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Q has been ̈
R. are being
Everyone was surprised
death.
B C D E
7
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A. with
an
3. is being
were being
DOOOD
-deep
deepened.
They thanked him R. dep.th
S. deeper
deebly
true
untrue
QUEST
SECTION
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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
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chairs and a sofa.
The food at the dinner
perty wa
A B C D E
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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
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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.