1989-11-06 — Page 18

華僑日報 All

七國民華中

報日僑

王錫源

的因受了打擊而得意志浩沉,所以指为面務,我們應該積極地画日開辦一個「監控 登起兩種不同的心態。其一是使人們星河史積極,更有使命感,而餘上沙湖南將於十一月十 同學產生無蔗,無助和星际感。超人時代屿動之後出的現象,會計 (訊)N看經大學被 開辦數據庫課程

但又近一項調查報告,此行道港大校外進修部

|的好機會,亦是社會給予新一代阚遠的好時機。假經深一層的瑷觸,陳一間車行做行政确 「還難的是不實的學轉學式改的一段時期的帝陳|出生,尤後已婚,住 博士指小氣,因焉要行港人治枣便需要本地人才;而學是培養人才兩名孩子。康的夫人是

支持及爭取......等。而從狹義的角度去看,佔本法是首要注意的,因爲引標,他都 香港政制改革的參與是十分重崇的。另方向,北京科風遠至引發香港清材上有學者 【與兩立去理解的,從廣義方面來說,挑戰包括九七齿護,年古的一代能唯 在剿利、平穩地石按九七,能否實行港人治港,以及民主改革內古得列計劃,為了達後這些規 向九十年代同照挑破一,練號京博士認為今次上推中的挑戰下從廣部的一些如健及邪究 「祗讯]祚為一國校友及且向人土米平今次的運大開放計主題一過,可待韩與其他世界

殖民地式教育功利主義曲「半斤八両」來形容 | 却甚少。這可能跟香港 土更舉出許冠傑的流行 MEDICAL SCHOO'五九二七九三何小姐。 從而改善大專教育的人 有大的分别。而陳博· RY UNIVERSITY 冇興趣者吡五十十八

·事事從侵人利己着 做的事務上,去幹和大學教育的價個改觀。无博士在喬治亞理工學 除講外,學百袒可 學妹埋首於學生會劉育的實行,分大學生對後衝光。一九八〇年,及第門代電腦語言等 自覓尋路向,另一類同育。相對來說,背及致福器及哈佛大學作博士數越槠贡理系统的使用

都是前几年离人想法較閲 筦被搵敎授。但一透過實習和個案研究,

理應行為難過教之前,他曾在麻省理工計和建立的基礎理論

重祺教案。他認爲同學的效日:加上常一般博士學位。一九七〇F SE DESIGN AHD 大致劃分為兩類,一類市民的教可水平甚低,,尤敦役周入治理 MANAGEMENT 3 - | 博士得港大同學不太 的泡負,並非猷团融 CHEMISTRY),HURSE IN DATABA 工學院任副教授。在此課程內容包括數被沖設

似乎是小兒科一點了, 最後,陳博士就悲 的紂港大欲育網 大學生會的單向作出以 【度之餘,陳能祥博士亦下的建議。從管理方面

事務,認識中國運動,不容忽視的就是學生會 | 積極參與學生會及社會 事物更具連貫性。而絕 | 港大學生包括陳博士······等等都能令學生會

的張大學生作出比較。規化及企業化,校方的

同時對七十年代和現今 著服,學生會應是向下學 三

當時有理想的一批積極 麥塊,資源多,

有線,就相對於政治 當時社會上的 史如首 雅域效授昨天在一個过。 腾科技在英語研究方的 瑞典英語謀家史城

可重上談他在英語學習的 究上的心得,並介行了電

得心談授教域華史

語英習學何如

月竅大三重首

習大 教授願中文大學聯合書院 授 英竅 有關於結,記者招

一之邀請到訪酸校,並持

研究做人的目的和讀書是象徵學生意見的旗識得浯門上表示, 要學習好英語

英語,議 ;第二

,必須要注意三: : 第

生生的

互相排斥的。常時的大 爭取應有的權 研學踞求學問並非是要代表學生努力向校方 一的意義。樂博士强调鏕,所以學社會最終都是

科大委尤乃亭博士

出任化學系系主任

[堪訊】 香港科技就是一件歷史性的大事

海是一種重狴和音及的則較為昂貴。英語學習 相崴示,英語在香學上並不困難,但費用

語的高低音調。 話能力,必須要注意英語的發婿, 陈掌握英 語常有主動性和積極性。他說,提高英語會

一期星

日六月一十(九八九一)年八十七國民華中( 18 )

港大開放展豬粉

取得具體而實際的成果 誥的研究工上,能夠 在必須結合這兩類專業 悟城的深切甜識,使他 的豐富學養及化學科技

百明科大化學系的

挑戰九零

衛塌像澂摸,面長性尤

化的商用方的数

四等展向基授

中理化分 合質 作他研案

專訪陳毓祥

訪問及整理:陳淑雯 楊佩珊

most

11. had

stolen

12. had sold

13. had beer looking:

14. did not find

15. went

16. were playing

18. had been playing

華僑教育 4

19.have waited/have been waiting

20. do not think

21.arrives

22. do you think 23. has happened 24. do not know 25. think

paper that a boy (11)

(steal) a

for women:

their

activities (33)

The

Output

necessary

each

watch and (12) police (13)

Everywhere but (14)

(sell) it. The

lionky for him (not find)

him.

(confine) to their homes, since it (34)

tregard) as indecent for women to

However, appear in public so often. today

women (35) almost the same footing with men.

support this group (50)

day

{grow),

to

10.

rcad

(stanc)

074

Diabetos (51)

killer disease. If

(be) once you (52)

a

17. said

J. Wu

When we (15) last night, they (16) cards. They (17) they (18)

(go) to see. then

(play) (say) that (play) sirice morning.

Liberat

TENSES (1)

Jane: "we (19)

given in brackets.

1. I had checked

[leave).

the door before I

(wait) here for half an hour now, so I (20)

(not think she will come. She always (21)

(arrive)

late, or (22) you

education (spread) ali over the world. Much work (37) ido) to seek better teaching

methods.

Students (38) (encourage) to participate in lessons which often (39)

(hold) in the

Thoy (40) form of group discussions.

(qui) in the application of the Severe shpert no knowledgearnt.

le

(36)

and

{survive)

for

29. were

11

2. Up till now, he never

(lead)

something (23)

Chispea) to

me anything.

藏品

themselves.

use.

Diabetes (57)

(fail]

3. Here

(come) ou idol.

1. By the end of next week, the fina

examination

disturb hi. (revise) his books now.

育教 日九初月十年日曆

博士爵化學系系主任。繁榮和發變均十分重號| 大學宣佈,委任人乃學,對香港前聽,香港的鬱,没人都有很多者。利用電暖把自己的 尤乃亭博士在接受。能爲香港服務,我沒機會接觸到英語,如在英語營六化爲數應,並

·新嘅莉,在喬治亞理工 到非常恸期,」

| 作十九年,他說:「我 學院從事數學寳究工作

尤西亭教授城愛人中,少。從而改

*英文當視台,便有長時然之與正確的英語發首

在美函庶過半生,希伯也將以

人要學習英語,可從話不過,目前有關英语教

·貢獻,那自然不過的事,更已由學術探討,著底下的行為,也沒 曆,能榈岛中國文化就作究,近數年來這項研究方面入手。他認為,日學的道戲転件還是比轂

至冥醫學上的應用受能

但要多聽多看英語是不可叡師教授就再

一設一個第一流的化學系 「是一個使人振奮的超此很多地區對面認識並不多,但他認 他表示,在香港建| 尤教授畢業於國立 附難的,故蜚入學英語時,史教授䯼示對沉方 【爲外籍英語瀚師佔英語

一問世界級數的大學本身 理工學院修讀生物物理前將蛋脶應用在英語 光,爲科大矣定長遠, PHYSICAL CHEMI 「又說:「在香港成立」士學位,跟着,在麻省 有較大改善。他說,出 效果會更好。 都是第一流的人才- 微HLANAS UNIVERS,然後將堂些資料存入 信號難改善前學生 .們以銳利而富遠見的脱ITY)濑修物理化學(電腦,北成台成語言,語水準低落的情况,他 可授英語教師,相信d揉

穩安的科展前景。 STRY),取得經通的語霉,著作 建議聘請外籍教師 系

挑戰性的意念,他說:云在新墨西哥高地大學| 史敎授目前正研究

·「創辦香港科技大學的 NEW MEXICO HIG 將英文語法及發晋辉 【蜜的列

【人心向好沽家惜貨如珍 英資財團積極入市

(#)

,個別的二、三綫股小

鸭該得出一些端 |可以從上週的總結中,

的话垂下“往往會的影

「見類織有勢。這個情况》

一、三綫設在家

1990 中學會考預習專欄

明德出版社:

MILL & DALE PRESS

English Language(6)

Write down the correct form of the word

(finish).

He

5. Don't

- 成交張差人意,於當前政治市之下,已難而更應該是股東持有人與被委托人或經紀之 ,均富發巨大的衝擊,而美股近期之波幅

·亦会全世界投資人仕肥戰心繞,八七股災之 作苛求,屣在自前最大的阻力,中國方面後人間道,但現時在過一段長時間才報失, 之影啊既深且遠,北京方面對閑之一舉一動 而聯交所又來結所有道甜股票買賣或交收連 上過收市三升兩跌,全蹲上升七一點八,而沒有收妥暅得的款項,則應該馬上報警

已經轉了第三者名下的也不例外,更令人費 解杳却又是晒償基金縠背監獄,這樣說來,

donate | Serbia S213

This school (6)

years and

(be) familiar Yleach) "here for (8)

to me."(7)

cverten

{retiret.

I (10)

(read) in yesterday's

C. Y. Mak

記東京靑年營體驗

家庭接待收穫甚豐

如上天色稍告晴朗, 。初時大會安排在戶內演出,後因人數太多, 午餐,下午便欣賞八個外國代表團的歌舞表演 著大雨到達,先跟日本女童軍學習野外烹饪啟

,皆奪象文醉酒汆陉签崭醅彐,不時被慈故

筷出,嬴得全誨掌聲,令香港女童軍士氣大,岁

大潑布做舞台,我的打底,中國舞

百多位來戶玹原的鄉村兒童,祂 ( 蛐 ) 們

小小種

of

of

香港青年節]還有其它

它日後將在一

如果我能栽脯 一粒小小的愛的種(五屆亞洲城市青年邀码 出

上賽」、「彩虹!族,活

靑春色彩」比賽活動|

那白浅墨片*一九八九十九仍全 但微笑度綻放,」、「學藝嘉年華」、「

(continue) teaching here until I (9)

1990 中學會考預習專欄

明德出版社

MILL & DALE PRESS

Physics(6)

Exercise 6: Heating and Internal Energy

1. An alloy contains 2 kinds of metal X

and Y. The specific heat capacity of metal 4200kg-1

respectively.

metal Y are 395Jkg-1K~1

The ratio of mass of metal X to mass of meta? Y in the alloy is 1:4.

(a) Find the specific heat capacity

of the alloy.

(b) A 0.5kg sphere is made of the alloy mentioned in {a}. It is placed in an oven until it has attained the temperature of the It is then transferred quickly to a copper calorimeter of mass 0.2kg containing 1.98kg water at 15°C. If the

oven.

of

temperature of the water rises

to 35°C, find the temperature of

the oven.

==

(Specific heat capacity water 42003kg-1K-1, 42JJkg-1k-1.)

Mary: "24)

(25)

not know) but I

(think) we (26)

(wait) long enough."

In the past, women (27)

(not

treat) fairly in many ways. 4 man joften {2B} (treat) his wife not partner, but as a maid. Daughters (be) not immortant - they

bought ЭЕ

sold.

webmailéation (30} (deny) to women,

(31)

(consider) 李

even

and

In some countries, there the) only limited freedom

3. A 100 ton heater is immersed

in 0.12kg of liquid in a polystyrene

The heater cup. the temperature of

(plan) for your When you (43)

retirement.

these you aust remember Inescapable economic realities however, and over what period, you (44) (gatner) together your investment nest-egg, the Income you draw (45) (not come) from the past in fact; the income you (46) [receive), by whateven means,(47) (come) from

that current output at world populations (48)

moment;

very

(age)

that is, more and more old people (49)

(form) a greater and greate proportion of the total populations.

(i) Ca.culate the specific heat

capacity of water.

the result {i} Would you expect syched on and

obtained in the experiment, to water is in

higher or lower thang the truela well-stirred dring

Varies States the main reason, for

taken every 20s. The Lituid

打包

is

heating. The results obtained are tabulated as follows:

0 20 40 60

Temperature/

2 記 46 58 70 产

(a) Plot a graph of temperature

against time.

(b) Hence, determine the specific heat capacity of water from the

gram.

4. The following apparatus are found in

a physics laboratory.

5. The following apparatus are found in

physics laboratory.

Polystyrene 19

Aluminium block (with two holes for thermometer and immersion heater)

Switch

12V low voltage

supply

Low voltage

Polystyrene Cup

Low voltage lamersion beater

imme slon

Meat

înernaret ort

f

Thermomet

Stirrer

copper

2. A nickel sphere of mass 0.125kg is placed in a bunsen flame and left until it has attained the temperature of the flame. It is

then transferred rapidly to a copper container of 108 55 0.0375kg containing 0.015kg of water at 20°C. If the temperature of the water rises to 96°C,

{a} Estimate the temperature of the

bunsen burner flame.

(b) Would you expect

result the obtained in the experiment to be higher or lower than the true value for the temperature of bunsen flame? Why?

(Specific heat capacity of

heat

nicke1=4500kg-1K- specific

copper-4000kg-1-1. specific

heat

water=4200Jag 'K

capacity

capacity

.)

00

Co

Joulemetar

12 Lon

(c)

(a) Draw a simple diagram to show how the apparatus can be set up to measure the specific neal capacity of water.

(b) The following are readings taken

in the experiment.

Mass of water = 0.2kg

Initial temperature = 18°C Final temperature : 34.5°C Initial joulemeter reading = 92006J Final jouiemeter reading = 1070053

show

(develop) it, you had little chance of

then

few years, children rarely (53)

months. twelve sufferers, the effects of the disease can be overcome by a daily injection and by carefully eating the right fond. Diabetes (54)

(be) the result of failure of the body to metabolize

The body (55) Sugar。

(need) sugar to provide energy. Sugar (55) 【convert) into a form which the

the body (58)

produce enough insulin to use up the Sugar. A diabetic: person (59) (accumulatetop much sugar in the blood, Bad thie (60) from the boy an urine.

Answers

1. left

2. has never ien 3. comes

4. will have finished

5. is revising

6. is

7. have beedatenching

8. will continue

9. retirem

{excrete)

uf encrgy required to

sed the temperature of 5 kg the alloy by 1°C.

{5}{s}{1}

(5m)(s) (1)=(m) [420)+{4m; (395)(1)

$=400

26. have waited

27, were not treated

28. treated

30. was denied

31. was considered 32. was

33. were confined 34. was regarded 35. stand

36. is spreading 37. has been cons 38. are encourageid 39. are often heid 40. are guided 41. exists 42. misbenave 43. are planning 44. have gathered 45. does not come 46. receive

47, comes

48. are ageing 49. are forming

50. is growing

51. was

52. developed

53. survivec

54. is

55. needs

56. is converted

57. is caused

58. fails

59. accumulates

60. is excreted

From the graph

slope

-

82-22 700-0

= 0.6

0.6 =

100 70.12]{ST

Ans)

$ =

100 10.6)(0.12)

= 1388.50kg-1x-1

(Ans.;

4. (a)

.. specific heat capacity of the

alloy is 4000kg" 'k'.

(b) Let @ be the temperature of the

oven.

Heat loss

= (0.5)(400) (9-35)

Heat gain

- (0.21(420)(35-15)+(1.98)(4200)

(35-15)

= 16500

..(0.5)(400)(9-35)=16800

6=875°C

(Ans.)

2. (a) Heat liberated by nickel sphere

= (0.125)(450) (T-96)

where T is the temperature f bunsen burner flame.

Head absorbed

by

water

and

copper container

= 17100

T=400°C (AnS.)

(a) Draw a simple diagram to

how the apparatus can be set up to measure the specific heat capacity of aluminium.

(b) The following are readings taken

in the experiment.

= (0.0375)(400) (96-20)+(0.015)

(4200)(96-20)

.. (0.125)(45017-96)=17100

(b) It is lower because heat is loss 15. (a)

to the surroundings.

Power rating of heater = 50k Time for theater is switched on

= 2 minutes and 12 seconds

190

32°C

Mass of aluminium block = 1 kg Fina temperature 38.6% Initial temperature Calculate the specific heat capacity of aluminiun.

(i) Should the result chtained in the experiment. be higher BY lower than the true value of specific heat capacity of aluminium?

reason.

State

man

(ii) Suggest two ways to smarove the accuracy of the experiment.

Solutions

1. (a) Consider Sm kg of the alloy. It

Y.

contains m kg of X and 4 kg of

Let the specific heat capacity of the alloy he s Jkq ̃31.

3. (a)

ti

(b) Let

60

Time":

power of the heater ot = Line interval

.. Energy released by heater

= PAL

Heat absorbed

= (m)(s)(+0)

Pat ms 49

(b)

douleneter

Pover

supply

(1) Specific heat capacity of water

107006-92006 10.2)134.5-18T

= 4545.45kg 1x-1

(ii) It is higher.

(Ans.)

The main source

of error is loss of energy to surroundings.

Power supply

(b) Energy supplied by

supply

= (50) (2x60+12)

= 66003

specific heat capacity

6600

71)(38.6-32)

= 1000Jkg-1K-1

(c)

the power

(Ans.)

(i) It is higher. The main reason

is energy loss to surroundings.

1. Wrap some cotton wool around

the block.

a little oil

to thermometer thermal contact.

(ii) 2. Add

At

MS

slope of the grain

m

the ensure good

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