1974-04-05 — Page 19

REFERENCE.

- 5 APRI774

報日僑華

CITY HALL

五星期

̇錄豳 所齣 攥包 聽供 再銃 國彼,師 進九 法事項起兩藏、研等之殿写 午 其入期:

*仁得與李行時- 慈布 小, 錄句出露,骁證後,林主九未 冀第二

同殿,世 導研通拉 組昨在鎮席島 白案人,,張時畢法四·夜白 林濕窗,新告溪,午塞有作仁四押出爲駒志再,爽,變產

經馬育教與三第張五第日三十月三年寅甲腦及 WAH KIU YAT PO

弍第 運 望,是現金箔軟

坐好而俗。人,今,所之為有途是跑

所有上功鬥

再瑞

快形

越未取譌 剛所P

場各末週

裹 尼其底日盃如 盛三段力網,,等

•本高有望之而建如要有足班

春好

評初勢大

雞閑

蘆,該駒蹓述艾蹤。陳豪黑牍 周室 午跑焱 夜茵

歐利雅觀

!!!威咁都馬夜日本

味

| 七五公尺

尺道

在鞍近是力未走 全即上期

*,人操途 甘突跑

門陳選起,出

1115 $4 LIK

泡,因此合對飾 精緻。茲將配瘌名跟列下《》、

吉利屋

七

‘愛運

·英偉王子

TOMORR

分秒必一一九

第三 第六班

七

一七ㄡ從心所爾·一西多寳來

第二 第大班

HIKI BOOKK

布質

11*

究百带一六 吳 猛龙

第五地

班一六五○尔尺

露安·歐朱蘇

下週三夜馬

配磅已公佈

供與白的快之解釋,又關係,提前在昨日醉定公佈五場有後備馬的排布 樂趣, 一二五 盟

社麻蝦米高與蘇

、

太康威欣翼心地

胆馬

老敏穿長箭

忠預

W

測

$

聲旋

MAO0公尺

得恩

胆馬

新款 伊丹

忠频

康樂

貼

賊測

老

$

2玉花融

第六班二二三〇公尺:

摩加利

4

雅利安

第三期

=COOR

短(能有碼)

OO公司 白膽棣

53

四場

第

B新一五七班公尺:

一、歡天喜地

門:4金出長

第七班《三有病高二〇〇〇D

隆得威

门

第八张...一個OD R

六場

高编团(科加本)一AGOAR

主祀aw 白蜜址:

白鐵橋

第五塌

楊金枝心水

新裁判

第七場

第六班(料加)二二三〇公尺

状池

張蘇変未齲米

蜜判安 加和

一㶅佳好宴珍銀太太

二集:八場

鼓山

義路一六五公尺 :

四娜

一五七五公尺

0公尺:

蹬

界朋友畫伍教授親友及知交時症阵,伸 五线,集行追遠大,希望熿南同學,音樂 午十二時正,在潢南書院隆堂、徒拔这十 禽伍独授,特發起于本月九日 星期二巴中 ,今一直逝世。某者痛惜之。樸南書院食和 畢業生,好游本浩南書院,造就不少人才 捲音樂界其大之損失。伍氏爲橫南大學早期 特斯染求伍佰就敎授逝世,爲本

·盼伍氏生前親友蒞盛同伸哀惮

伍佰就敎授追悼會

嶺南書院下週舉行 此項英文到蹟保由,各同校參加

大東日觀止。 黃公博士命題迎

華大

̇你隆

##.

白桃油

城门:7 8 真好

陳福仁

O八九○

驗文英美

報截明 名止日

,鹼英美陽本特

、乃仁下球穎、

:魏高

論辯際校 賽决日明

力協助 4

私

·座佩

故事作師的三晚

定時部得再將找證李聽上研究

得些班班。但國程的不

無親是有最是有在3

●超如好 三然 放水 3 有無拾一甲比準、

中

近磁

> 愛上部份 配走

其

個當此五子,蘇此態一

疑买,上且 終實出 絲馬 4 贏經由如冷,,早個開出蜀戰 位朝於疾可磅具已快委一中焉 ▶脚就演,期輕見採功成珠無太 三南

......斷,敢見期間

下採尺第 馬

雅

一心腹大患。

乃蒻一有

紀錄在案子

日五月四年四七九一届公年三十六國民華中

观打

操下午

利·操黑

·現將各鉤媒岦况,無

蹲如後:

珠合

江 虎

心驃

週末賽馬昨晨昨最後試跑

狀勢吃

「珠江」霍利安利是

一期,出試馬十分之多,亦不能只以副能自之爭端了 「#華∃甘光 | 六化郞1卅二秒,女九一半,一秒三-廿八

一定的勇態,今番出

各有翮尘之廒,憑勇格

|可加入戰團。:

起

茶能似八格

大腿、走沙鹰 勇有今但勇七巫刃 的對廉始願, 得手可慈溪甘過

一六五○公尺,視、荷蘭之寶易主轉底 五分,在山光龍馬房公開拍賣,結果由柏低 十萬餘元抵買之至 黹*馬荷關之置,昨日下午五時四十

路俗扣一試

搭質的此,

癮拚象後四八

的伊路

俗,今一六五〇 昨晨煤最後試跑之一麻雅合拍,今仗路會,一案較新,有進步又可以 出,不相上下,此夠與使東開時更好,馬匹質

. . 「友誼第一 槿相,位居西走势勇逛 保扣嗨,狀態與民宿相,拉廿八秒七,比上

年

路程,必有一定的表現 號,跳大化郎:案扣,可突圍, 卅秒二,廿九秒大全 好,全一分廿九秒七|來走動國非常,有六化鄭:卅三秒六,今次配出爭,路 就六化郎,卅一秒五 力强,故路邊被中哩,兩段北七秒 「飛」悠亞拭,全走來前快後, ∴:「ㄤ標·斑铗池試成後者。一半座,计六秒,廿八秒| 同氣周有力爭勝。

∴可當成称

路邊八期:香憑者偏慢,

同一八六

至今完租

同東成七郎

力天走秒秒树

是好拉甘試

跑得世十

路。

塵哥

盘美術

學,俄大學暨設兩年制課程,學生,可真

艾訊:本捲將於一九七五年底設立第三闖大

開辦兩年制大學 學生可升英國大學 計畫在道風山建校舍

修護未完的學士學位。 权,可直升英國太平举信美大學成其他大學 程,全部科均以英語發授,學生畢兩年 一魏氏指出,越兩年制的大學,將提供豪集

●舍對高在沙田道凤山成九龍窝打老道信義中學天

,預料將耗費五百萬元學費每年二千元,校

四重彩大勢前瞻

寵禮事件研究完竣

·搭,前後最後試跑所見以及初步大弟作一初評,先搭初步知道最後搭 四傷 第] ROO公尺以上之董事,如就以最後試跑之配搭所严,我, 米以爲「中」—「食」 「呼鹛」:「快,

......使讀者預早知道各駒酸 一,出馬可能較多,爲了

快我

二及參加學力測獠式( S A T )合格,可就 新生一百廿五至一百五十名,此後予以擴展 二·申請入讀該校的資格,低需要完成中學課程i 他又表示此大學開課時,第一學期將收

相韜

啊,有實有店,中冷可眞陆

HU!

都市

100

109

的席美之前,心利斯

儒但速牛奶 安慈理運

復在避走

逐運勝洲快堡航窅

必飛一後備二)

趙不李米

國定:

THE

遐

步盈利

新年

HIT!

齣張布吳蘇挂歐燦米賓摩竊朱股張蘇皐藏張榮

志跑

材

MY 隣仁 有·如摩加和决策國會上陣,則定這埸之馬胆之

・白楂樹 股 與中埔」是四发彩之馬想對象。 五:〔不出),如真的能够有位補出,當時銃涌大局份子,這 三六. 霍利安·蘇·而狀態亦保持在穩定水準之中,負磅雖然比上 (不出) 朱 國食」是剛廚在這傷之中的實力, 廖加利 中 馬雅然初編入第三班,但他無長途,實力茜足

·未定 - 斑 : 街上時,只得一席位置,今次路程更爲適 健 ·張大加了六稿,不過以馬匹實力而論,我爲?

週年餐舞會盛况 香港大學校友會

「無雙之象丁

局質

實份力

八甘光 翶感棼米∫呼呼,在第三班,形菁頗爲有利,這馬

凡生心

; 以上述之配搭來署,相倍起碼也有十二啊」「快樂浿餘」,「以申雄」、「磨合」四四

·褓仁布可遗忘之一四半冷門馬。 二六:「不出)薪; ,才跑得第五,今次路程長j只要起步不再 二七、 李佐 杜[快檠佤J上美出閘大膽脚,接迫不及 ̇跑長途:極其適合,可惜負磅重些,不過 趙培 吳雅脚,則可以平反大局,如選四實彩,這是不

·未定 ·志無疑問,我以爲黏也是一匹危險份子。:

to cea 統合而論,目前初步之選擇,我選「呼呼

合 關櫟健心金齋利:

1114

蘇米蘭莪

̇從滿快的,得器

榮您成袭榮色...捷镰

一

第五塲第六班

115 WRA

小

第六爆·讓大班

三

三七年成立,打的爲使·時之考試,將如常不受 校友加强聯絡,進而公此項限制。”

二等為出席參加。'. 海外大學通知生命 及前任會長方乃正狁 記手續時乃須出示有 會主席李仲齊整生囥·本文考試者,在辦理登

·主席蔡永燦,大坪麟 考生報考。故凡挺報考·· 會長黃乾幸优願,舞會受「托辊」考贫成遗之 這會長文洪磋先發,劃,行之考款,只限急切需 士优啜,綁帶堅士 乏情况?因此,本文 「區博士,前校長賴福得,在六月期間本燕试 浩爵士伉魔,校長黃點甚衆多,教育當局至於 友J三百餘人,港督祺西 參加此項考試,好夫斯 出席官神名號及荡大校或因彼力大哥要求而到 | 舞颼舉行週年餐舞會,:擬赴英留學者,自動的 人物,座希爾頓酒店 之英文程度,多年來凡 校友會於本月三日下午,主辦,用以德留學生, 特香港大學,英國普林斯頓教育中心 考。至於參加今年十月

展會務 錢請歷屆畢業同學精緻大會 以 港督伉儷邀參加長文洪磋

美國教會擬在港

W

1974中學會考試題預習專量

圣道書院主精

化學科(乙) (二十) 王文兆

CANISTRY (20)

Silver, because it is the least Panatiya of the five "Alamantm.

Sodius, because the tarnishing 12 duu to an oxidation process: involving the loss of electrons, and sodium has a greater tendency to forsioss than the other

3. Silver, because ita compounds- are less stable than those of the other metals,

4. The regations of metals with

·water or atusa involve the tran- ufer of electrons from the natal to, the hydrogen. 1ons, whlak in' taking up these slaatrons form hydrogen gas. Silver therefore is the metal least likely to rezat with stanny as its tendon to give up. électrons is smaller. than that of the other metals.

[:25. Bodium and Magnesium are usuall extracted. by, slectrolysis of Lage thair molten shioridam,” bocanna the compounds of these strongly. electropositive metals are so atable that shemical, reduption by analting is not energetia enough and electrons have to be produced directly by electrolysi for the radiation. A

6. Zine will precipitate silver-

from silver nitratë solution: Zn (0) + 2&g"(aq)= 《》

218(e)

7. In the first cell the mora

electropositive metal 'nagnosiam dissolvam, forming nagnesium Lom in solution:

•Mg(=) →→→→

20

This leaves AN EXCONN of electron on the surfasw of the magnesium, which, therefore acquiresja negat, ́Lvo okazku. An electrical conner de

等組二元於,在十菸之之指知悉月報

tion between the two metals vill enable” electrons to flow from the magnesium to the zinc, which he couss the positive pole. In the second cell is the more électro- ponitive metal, and silver there- fore becomes the positive pole, an the current flows externally from the silver to the zine..

Matela (2)

Extraction of iron by the

1. The manufacture of pig-iron

a. Roastingi. The ore is burnt

with a little coal in heaps, or in shallow kilna, Water, carbon dioxide, sulphur, and urusnic are driven offe

Spathis ore reacts as follows:

Iron is produced as a spongy grey solid which melta as it desconde and finally trickless into the well of the furnace.

The action of limestone is as follows: Most ore contains earths matter or clays which are essentially allicates. The iron ore if heated alone with. these would form ferrous silic- ate and be lost. But the motela activa lime, produced by the kalcination, offthe, limestone In the furnace, effectively, renova, alliceous matter, forming a fusible slag' of calcium sili- cate which collects at the bottom of the furnace on top of the molten iron, and is period= ically. tapped..ott:

4002

Cao

S10,

Ca8103

Hydrated Fe 0, becomes anhydrous F03 by the loan of water. Ferrous oxide, 12 any is present is converted to the ferric oxide

4700 +

b. Reduction in the blast furnace: Iron is then produced in the blast furnace. The furnace is charged through the top with weighed amount of coke, ferric oxide and limestone. The tuyar- ́es are fed with a blast of

driad air, prehosted by vasta – gasss leaving the furnace. In- mediately above the tayores, where air is still plentiful, coke burna to carbon dioxide, a strongly exothermic process giving à temperature in excess of 1,500°C.

~~~ CO2 & E- - 94,000 cal

`Higher in the furnace, carbon.

dioxide is reduced to monoxide by white hot cöke.

200

Towards the top of the furnace, at about 600°c), ferric oxide La reduced to iron mainly by. carbon wonoride but, to some extent, by aoke:

300

2F*

3002

30

27.

3co

It must be noted that, thà "whole- process is continuous, raw. materials being fed in at top, and Iron and slag being: removed at the bottom.

pag iron sapanna un BOLA131ORTLOK It is very brittle and, is very difficult to weld. It has low tensile strength because it is impure, containing 3-5 % of car- bon and 2% of phosphorus, sulphus silicon and nagganiye." These in- purities lower its melting point to about 1200°C; pura from melte at 1530°c.

Trought iros:

This is the purest form of com- mercial iron. It is 99% iron and contains less than 0.25% of carso bon. It delidde by removing most of the impurities from pig-iron. Wrought iron is strong and malls- able. It can be shapyd by hasseri ing it at about 1000, c.

Steel:

This is an alloy of iron with 0.2 -1.5% of carbon, mainly am iron ́carbide and other metals, such as

nickel, cobalt, manganese etc.

Production!

The Beasaser Process:

The molten cruda iron is intro- duced into the Bossener converten air and oxygen under pressure is thanblown through the grid at the base of the converter. The oxygen. then reacts with the impurities. and converts them to oxides.

200

They are acidic oxides. These

orides can ba absorbed by the Iining:of the converter which unde of a mixture of calcium and angasium oxides:

8102 s102

6Cao + 6160 +

Cas103 MES103 20ay (PO4)2 2M83(PO4)2

Carbon monoxide bizza to give carbon dioxide.

The calculated quantity of carbon and netal (e.g, nickel, manganese, Le added. ao that a ateel with the correct carbon content is produced

The composition and uses of the steel::

It is very hard and tough; its properties vary withi

1. the cuchon, content. 2. heat treatment and 3. other metals present.

m, Hard steel(0.21.2% CE, unde

hard and tough by quenching and tempering, for tools.

b. Stainless steel (18% Gz, 8% #1),

resist corrosion and oxidation better than ordinary steala, for outlery and surgical instruments a. Manganesa ateel, very hard and

tough, for helsets and machinery for grinding.

d. Fungatan steal, hard oven when

hot for high speed cutting tools

The chief uses of aétele:

真校持民

DA

Leads in the building industry (0.8 as a further exercise, improve the

as uhost lead for roofing); in

chemical industry. (.5. lead A chamber process to manufacture of sulphuric acid); alloya (nolder, pertar and type metal etc.) Gopper alloys (*.g. Brass, bronza, gun-metal, ball-metal and coinage alloys), water pipes, heat and electrical conductors (e.g. boile "Emble).

Alloyer

1. Brass (Zn 30% Cu 70%); more all able and stronger than copper at superior to ateel in workability and resistansa" to "corrosion, for scientific instruments, ornament: atc.

(3older: (PH 60% Su 40%), it hmm 100

melting point. (about 200°c.). withstands' binding without fract ure and solidifies slowly so the is used for electrical connectio and fuse wiïa.

Magnesium: light alloys(e.g. nagnal- ium, electron) in, sngines and air- craft; "flares and fireworks.

Aluminiumï as, donastic cooking

́utmamild; électric cables; light alloym; and thermit, process for welding iron: 241 +

¥1.203.

A120 + 2F

pa-natalsı (Pb 75% Sb 20% 8o 5%) wit melts and flows sasily, sxes

panda on solidification and, hard enough to make good.amata. It li used for printing.

Duraluminı (a2 94% Gu 4.5% Mg 0.95)

Mn 0.8%), it is a light alloys, combines high tensile strength with low density, and 18 valuab) in the construction of aircraft.

Question for this week;

What raw materials used in the production of irone State briefly

following sentences by replacing th prepositions in them with more appr opriate onem:

1. I often think in him' as a nice.

and friendly person.

2. Many people, these dayB, BAITY

to money, and few to love,

3. The clark will commence work

1st August

4, the job in difficult and it is

without his oapacity.

5. I have been waiting for him in

this morning.

6. It is half past eight. on my

match,

7. The window was smashed, to

pieces.

8. He is a person with little or ne

importanos.

9. John mat by his desk, writing

letter to his father.

10. I. have known John sinos a leng

timak

11. To mat autaide, in the garden

after dark, watching the stars, and stayed far on in the night.

12. She is indifferent with people's

sufferings. Nothing has ever. come into her heart.

the role of each, giving equatione 13. The old woman died with meu- where appropelate, a certain Leon ore is found to adatain 85% of irc 14. Sugar is sold for the pound. (III) oxide and no other iron-2015. The aircraft took off so taining substance. Calculate how many tons of ore are required to produce one ton-of-irona:

【 1974 中學會考試題預習專訊

路道書院主橋

英文科(二十)

KGLISH (20)

ANSWER to previous exercise on prepositioni

3. with 1. by 2, on 5. at 6. above, through

beyond 7.

B. acread 10 againt11 to

12. with 13" for 14. in 15. like, at. 16. by, in

into, outside 17.

dawn' and was heading, to 'Amèrica

16. The secret to success is that one must not averse for diff- 1oulties.'

17. People in a high position are

particularly sensitive towards, -orátišina.

18, à good speech ham to be appro-

priate on the scorsien.

19. The idea of paper-making was originated within China long time ago.

20. Kr. Saith is a kind persen.. D. spanks oftan in a sense of

humours.

He

When she argues, one must stick on the point..

Zind: in galvanising iron or wild

atmal; alloys (e.g. Brass; German 18. over, before 19. on 20. to 22. The workers are late for work silver and die-casting alloym); #4) 21. with 22. to 23. through, f

the cathode of dry batteries, and. in the extraction of silver and gold,

25. between 26. by, 24. at before, in 27. within, of 28. after*

20. Cenn 29. with

this morning.

TO BE CONTINUED