1990-04-06 — Page 14

華僑日報 All

1(0九九一)年九十七國民華中

育歌 開港 日一十月三年午庚灊東

報日僑華

Ri該些專用浴話機設於

業發牌的各種項目。, 葉醤 ,及計劃推動營地旅遊 TISING 的全資附

上:緻慕貞。下:洛點芝。

低地點,其中包括香 二心。這種醒战服務以 西城商店的國際電話中 一九六號時代廣場地下一 店及尖沙咀加連威老道

臺以及灣仔港灣道1號 港團際線「出入境候

越野人」)及「國際電話 一對站」)的方式提供

|中資機推銷角

穩定繁榮使命

性素蛋,預防高血壓亦有一定療效。

位於銅揄灣只士頓街的「大丸百貨公司」 大丸四月五日舉行展銷 日本黑猷大豆滅肥恩物 -頂級玄米醋製成,具有頂防密防探案及促進面,他的使命。 犁大豆兴改善肝臟功能、陳菁种敬、舒緩神經·文发撵對手涉的随定要了 肋分解的功能,實有個把人士的恩物,此外濕支役的經濟關供下,中 九析便神。黑酯大豆乃採用北海道優質大豆及努力,ㄆ起繁榮穩定否 豆」牋娟,在該期間購實「黑谮火豆」,可獲 機構與香港各界共同 食品部,訂於四月五日至十日,舉行「粥大代表建華表示:「中 菜起了積極的作用。

[本港兩項重大工程

探港

採最安全絕緣材料

| HERENSE.

工程分别混位於柴灣新惠材料。 . 公司的KOOLP Hm 系統之低温岔道上採用 商業版默。因此他認爲 ,均採用固溫中國有限酦商業大軍,則於空調 當地家敏,也向香港 熱絪捶材料,遒ES KOO LP H E N熱偬,中資機構的作用,不 本港兩項重要工 元;而送集團的中彽服務;中国银行收吸,

建的尤被夫人紀念烨克 丐芝净的Q 帶作用。 属下的商業大厦 * ,在本港早已被廣泛珠 只會促進香港經濟的發 及位於中區,佢謈槼團 L'P HE W熱狗源材料 中间讲構的解

,分割成指定的型狀和 一。航公司在香港設有 離中國年限公司。對於國家出口、對香 廠房,將海口的解陉發 總經理黄亨表示:「依繁榮作用不大的公司

燃及防水的熱絕緣材料 第二期等。 公司,專鎘本港据供防程、太古廣與第一期及 頓,張健華費示:抛去 對有限公司的合資經營 香港理工學院第三期工程愍及中資機韆的基, GTON集團及香港安 魯持根及图舶大樓、人的捧心至無必要。

料,合約鎮慎六百萬材 動摞 材料,但由於,更有幫助。 水及空調系旎,提供六有毒氣體,香港天氣潮齊理不,效症會更 Oo LPHENE; 焄,最容易被康一般的好,對香莊經濟的繁榮 人紀坻院的熱水,排點後不會溶解成發出,會提高中資機構的輕 尺寸,固福將爲尤德夫方,不單防燃,且過整頓,理熘各方關係

的!

樑,認收民活,團。定

不愿

吸生門供賺恨只

番去慈,些的

A public company is the company does not fulfil the above conditions. (1.e. ownership numbered from seven to any number.)

which

1. Ordinary Shares

Classification of Capital

|復活節年年不同日期

妙在春分月圓後週日

1990 中學會考預習專欄

明德出版社的 MILL & DALE PRESS

Accounting (27)

的假期都是逐動的,有天不同,但事實上也及主剂示雄發在某年第二督徒就認路應該脫離猴 日期,以致年年的復活的申設年堡古定於某一段壓迫和近辦,於是上到了公元二世說,基 海活,假想沒有正的 對。遒祗和中國人,但於以色列人在埃及的列人日本猶太教,於是 ..杬記心死後而來,日拼就年年不天動地的山埃及記,坦 逸馨的,但是由於以色

家窮是

分科良後的第一個E悯外吧!! 一俶來,世话餡和傅春 ·液设期,只有成品的领取些羊血,塗在門框和致有决定在陰財「尼的 | 设岔狮乃是店花 烤來吃,作爲慶祝逾悳一個星期日舉行雙親, 門朝上,而半內則用水月」一月十四日後的第

·基督徒的工郎罐基·马夏號昂穌基督死後復癱,和在宿時,上主就即是旁分月翻後第一個

M. T. Kwok

Liability

Issued Capital:-

復活節

於三月三一

號,龚语花逊第三期·

星光行·新世界中心、 ,到尖沙咀新港中心、 日至四月十六日期間

復|舉|

「革

物理

中燕各分公司同時推出復活節特價賣品。

各種名牌的皮褸特價推出。

| 不明白,這些外,一年死亡焰盡, 出現,仙是在島上人口 生的十五人,又將天 一巨對仲最大船。這外染的一些島線採集成

| 重機-滑車車,才賽將半島民被版實好润秘

密多人?

半的小岛,

還有,這些島上石 下一百善人。一八八

二千啦,這個島是

於太平洋中心,利

F墳墓內的質脊息不是務民集中到西岸。據

些商題仍獲答案。居民約一千人,比起 出民的先人骸骨吗?进九六八年获計,我活節

又說復活節醤•位一百年前法規,算是谁

崔活節島的古蹟,

個神秘的島,一個裿王安地大京夢息石像和

Accounting. for Limited Companies

Limited Liability;-

It means the liability of an owner of the company is limited to the amount unpaid on: his shares, or to: the amount. for which he originalty agrees to be Tiable.

Private and Public Limited Company:

A private limited company is the company having a minimum number of Shareholders (owners) of two to fifty,. the right of the owner to transfer its shares is also. restricted. Also, it

prohibits any invitation to the public 想 subscribe for any shares debentures of the company.

1990 中學會考慎

明德出版鞋

MILL & DALE PRESS

Chemistry(27)

Unit 10: Revision noteren tolyn

1. Basic Ideas

Authorized Capital:-

It is the amount of capital which a company is authorized to issue by its Memorandum of' Association, and represents the maximum amount.

1 is the amcunt of shares (n nominal value) actually allotted to owners.

Called-up Capital:-

It represents the amount of issued capital for which payment has been demanded by the company.

Paid-up Capital:-

It represents the amount of the Called-up capitas which has actua been paid by the owners the shares held by them.

the addition polymers, and the condensation polymers.

2.2 Addition polymers are made from monomers which must contain carbon-carbon multiple bond (1.e. double bond or triple bond). Small molecules are not eliminated during the reaction..

Addition

Patymerization

戶主任及經焘奎閣研究 资料 共關係有限公司高级客 洲商業人士有關歐洲的

• 鑠票資爲前博雅公 EUROP E' 主要提供澳 ,並且累積判常對面的無非布重視,鍾氏及盜電話機焖出一九○○八 洛釋芝CANNE 蔥及政府關係經驗,他香港」服務,複獍與審 對公司的公共關係服檄展亞洲及歐洲業務之號客只需從茲地任何一 " 一 們的加盟將兼爲我們幾港的國際话新接續生通 期晖主要貨寳假雜员馆 委任表示公司對發 法關及渐納哥的香港 部高級經理。在激籁室 屈理施采暖发示:「紙 C年四月二日甜始,在 有限公司公共關係服務 GCI香港區董事槽 〔袜 一九九 * 皆擁有非常卓越的榭 五二,便可透過「直駁

香港區業務的發臉。EANCO UWCLFO 法國香港 電話道駁。

籍法圈,所為澳洲南部,關係。 CCESS NETW 之一,業務里術亞洲、從本补任何一部電話視 及公共關係顧問公司A 我最快的公開奥間公司 接綫生聯絡,他們只將 阿爆首德市著名的政府 CI集團是全球發 聦海外 }服務與本國的 F ROG E RD-籃加發大港及遠東的觀點。同時,身在電視的 法國旅客亦可利用一些

Types of Shares and Debentures

ift is the share holders of which entitled to the divisible profits remaining after prior interests have been paid. In most of the cases, it carries voting rights.

2. Preference Shares

The holders of preference shares are entitled to a. fixed rate of dividend before any dividend is paid to ordinary shares.

3. Debentures

It is a bond which represents a loan to a company with a fixed rate of interest and may be redeemable.

* The interests paid to debentures are classified as expenses whereas

dividends liabilities once declared..

of

Shares and. Laccounting

·

tment

Shares may be At Hemium (ata

ther than

the

0

·C+-0-0- 4 -04

Polyester

The

五期星:日六月四(〇九九一年九十七國民基中

會比較性,市政層鋼)", GCI國際公關顧問 话镫之帕候脚閽預料中心反銀垭视斯尼伸道

委任兩位客戶經理

.GC一集團-實佈亞 ALIAN COUNCIL FP港、澳提供優質的通建 國崮性公關顧問公 商氐任融AUST 公司之一;專門冠中、 是本港最具規模的質感 「八六六年在中國成立, 一迎。安利有限公司於一 煜,故日漸受用家

一金馬倫 則極度易地,個體 ,現小翁鐘,又不會造

灬醺焄絕淼材料除名。 ◎香港一般採用的另

以前,公司製造的熱絕耢材料

慎!

of

issue price

over

surplus nominal value is premium and it is applied only in:-

(a) paying up unissued shares to be

issued as Bonus Shares. (b) writing off preliminary expenses or the expenses of any issues, of shares or debentures. (c)providing the premium payable or redeeming preferences shares or debentures.

Accounting Treatment:-

At issuing:-

Dr. Application and Allotment

Account

Cr. Share Capital

(nominal value)

Account

Cr. Share' Premium Account

(amount of premium)

are

Issue at Discount (at a price lower than the nominal value)

Allotment

Accounting Treatment:-

Dr. Application and

Account (Net amount) Dr. Discount on Shares Account

Dr. Sharo Capital Account

Nominal value)

les of Sume Commun Plàstics

Melting Behaviour

L

有限度服務.. 工程,故此,只能維持 客城市區的尕游州,KOOLPHEN I 辦事處須進行融冷室內法接通電話時,親臨頂运行生的地方,同時 傳統的熱絕緣材料

.. 市政混杂,十會,香港體育雅,伊,如採用玻鮑維的

中央打嘉威進行工程 維持有限度服務

本香港·新聞 城市電腦售票網

KOOLPHEN BUK

的树 密閉的氣泡組成,进

,

.PHEN不含推進,

Issue at par (at a price equal to

the nominal value}

Accounting Treatment:-

Dr. Application

Account

and

Cr. Share Capital Account

Ori Receipt of money/allotment money

Cash

Allotment

application

Cr. Application and Allotment

Account

On return of application money to unsuccessfu} applicants

to scaled-down applicants:-

Application .and.

: Account

CXL Cash

On making a cat!

Dr. Call Account

Cr. Share Capital Account

On receipt of call money

[ir.

Cash

CP. Call Account

END

Smell

Allotment.

Strength

Smoke

Almost nil Burning Soft to` hard

¡candle

Some white Acidic, Hard smoke choking

Burning Behaviour

Plastic

an alkanedioic acid

alkanud Ta

Readiness

Flame

|Payet!

{PE}

¡Blue with

vellow tip

Polyviny!-SETTens

Hard

Yellow but

chloride forming |(PVC)

green at

balls ana

smokes;

bottom edges

PolyethenalPE)

2.4 Cross-links can be formed between the chains of condensation polymer's by further condensation if there are still unreacted functional groups on the polymer units.

| chars

Polystyrene Melts (PS)

Easy

Bubbles faroung

fyellow

Orange- Heavy Weakly Soft

black

floral

ledg

Perspex

Bus

Easy

Boils

Yellow but Black (a blue

little

high pressure

and Tampersture

ethere

» CHC) →→ FOH-CH?

[

CI

Polyvinylchlorida (PVC)

1.1 Polymers are giant molecules formed by joining together a Yaro number

gf small molecules; ie

andmers,

+ CF

For lon

in the form of a chain.

1.2 Polymers do not have fixedzes

but usually have relative molecular. masses, greater than 5000,

1.3 Polymerization

chemical

is the process by which a polymer is made from its monomers,

D Polymerizat lan

Bonomors

Polymer

iglant malesules)

(small molecu(3)

1.4 The

repeating Units are the recurring structural units

tundensation polymers are made from

different types of monomers and Bach monomers must have at least IMO Yeave functional groups. Small Molefes such as HC1, 0, NHg, etc. are deminated duggins thi reaction.

condensation

Polymerization

2.5 Polymers can also be classified as

{a} the natural polymers, e.g.

carbohydrates,

proteins, cotton, wool, silk, rubber etc.

(b) the synthetic (man-made) polymers. e.g. polyethene(PE), polyvinylchloride (PVC).

2.6 Regeneration of polymers

chemical process by hich a natural potagerthain Draken down into maller fragment they are joined Jugather to for a

new synthetic polymer.

e.y. (1) Coltulase

(a natural

polymer of

-ylgcose rayon

| Strongly Hard

fragrant

around jonly)

adges

Nylon

Easy

Blue with

Nil

Burning

ondr's

small

Flexible but strong

aru ind

yellow

tip

No effect

|Hard

|Yellow. with Nil

ifishy

light

Hard and brittle

bluish-

|green edge

Rayon

¡Melts: Boils:

Easy

Yellow

White

Soft

green

smoke

Chars.

Cellulose acetate

Rois & chars

flame

(Yellow

Light

Vinegar (Hard

H

and

represent

the function

groups,

polymer e e.g.

- C-C-

is the

H

repeating unit of polyvinyl- chloride(PVC).

2. Classifications of Polymers

2.1 Polymers can be classified, according to the type of reactions by which they are made as

1990 中學會考陃習專攪

MILI & DAJE PRESS

Additional Mathematics (27)

Revision Exercise 27:

W. S. So

Model Test Paper !

Paper |

Section A

(Answer ALL question in this section.)

1. Let y xtan2x.

day

Find and d

Hence show that

=4(1+ **)(1 + 24).

2. LOFT+35,李*紅+Tand c

be a mid-point of AB.

(a) Express C in terms of k, i and

J.

0

2'6

haxane-1,6-diamino

hexanedloyi

dichloride

(artificial stik)

(In making clothes,

etc.)

(2) Cellulose + ethanolc acid

Collulose acerata (in making photographic fl(m)

3. Plastics

→→→ NICH, N-CECH) C

peptive Hakaye

(b) I OC is perpendicular to AB,

find the value of k.

3. Find the coordinates of the two aoints on the curve y *' + x' at

which the tangents to the

have a slope of 1.

Curve

Hence find the distance between the

above two tangents.

4. If y = 2y 14x + x2 = 0, show

that :

5. Find the range of k such that the equation 2x2 + (k−4)x - 2{k+1} = 0 nas no real roots.

3.1 Plastics refer to the major group

of the synthetic polymers..

9.

the figure, DAI is a right angled

triangle, LAUB = 90*

AD

DE EB, DOE = 0.

If DA = a, 08 - F

(a) Express 00, 0 in terms of 8,

5.

6. Given that f(z) =

where

{b} {f

?

JAB = C. terms of c.

find o级

2 21.

Prove that 2 - 2[f{z]].

If z=cose+ising and 7-cose-isine,

(c) ita a, E b. show that

tane = 3.

7.

Dy

using the expression (2+Z)2, show that cos20 = 200s10 - 1.

10.A

B.

Solve x-11 2x = 5.

Section B

[Answer any THREE questions from this section.}

right-angled

triangle

ABC, The

BC= 2,

CA = b, AB = C. triangle is revalved about hypotenuse BC to generate two circular cone with a common base. The total curved surface areas of Lo cones is 5.-

The area of the

3.3 A commor way to classify

plastics is based behaviour towards heating.

(a) Thermoplastics

the their

(1) They soften or melt on heating and re-harden on cooling. This process can

be repeated.

(2) They are addition polymers candensation polymers without cross-linkage.

(3) Inflammable.

[4) Flexible.

(5) Non-conductors.

inscribed circle of 4 ABC is S.

tal Find S. 5 in terms of a, b,

C.

(b) let b + ¢ - ax^{x} = Find

the expression f(x).

(c) Find f'(x)。

11. Given the equation px2-qx+q-p = 0 where p and q are real, numbers and 0/0.

(a) if q2p) solve the aquation.

[b] If 邵 show that the equation has two real roots.

(c) If p, q are the roots of the

Show

abave equation. p1-2p11 = 0.

12.

that

(b) Thermosetting Plastics

(Thermosets)

(1) They can only be softened by leat and set once. After they have set, they will crack, char and bursa little when further strongly heated, (2) They

are condensation polymers with strong cross- links and having a giant 3-0 rigid network.

(3) Do not burn very easily. (4) Not flexible, brittle. (5) Non-conductors.

e.g. bakelite, urea-Methanal,

epoxy resins etc.

In the figure. A represent the position of a swiminer who is p meters from the beach XY. He has to react a point C on the beach where q mater from 8, by swimming to Dat u m/s and walking from D to. Cat walking v w/s, and v > W. If the direction of his start is 8 as shown, find in terms of p. 4, 9, 1,

V.

(a) The time taken for his swimming

from A to 9.

(b) the time taken for his walking

from D to C.

ne

" the

(c) Show that.

when sing = . arrives the point o least time,

13. Given that ? - xly and Z = x-ty.

(a) Find x and y in terms of z and

Z.

(b) Hence show that the equation of the straight line ax+by+C = D can be written the Form DZ+PZ+c = 0 where p is complex and c is real.

(c) Snow that, if z is a root ar equation Ax248x+C = 0 then 7 is also a root.

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