二期星

日四十月三年八七九一公年七十六國民華中育教人工

學年

糖二级上

時市

區 名者裝場

觀地,

點爲觀地利亞修女紀念中學。以 ,採排:由專家指導,一參加者須按時出席。橫排日期窗三月十九日下午二時正進行。地

|海外市攜競爭,料亦有椒當帮助。 必須於比賽當日晚上五時卅分報到,《三)位參加者均可同時參誦組比賽。 。(二)娘醬牛頭角遠二五一號百傑機,婚後服務中心,三———八九四三一三。有關主辦機 1 ;目的使區內鬱年之友能善用餘暇,提高彼等對時裝設計興趣,而對本港時裝製衣行業之促進及 報名地點計焉:(一)同仁街政府合報四樓,及區及青年事務處,司——四五七七四 比賽規則:(一)參加者必須自己親手設計及虢製服裝,但可添代麥登場表犷。(1).參加者 時特設計比突,參加資格定爲凡戴翡區工業青年及該區對時裝設計有興趣之青年,年6逵十四 據觀㚲循道服務中心執行幹事甄氏指出:上述時裝設計比賽,恩屬觀塘區工業靑年雙週活動之

學-安行一項「恃裝設計比賽」。 一年對時裝設計之興趣,恃定於下(四)月日(星期日)下午七時正,麥座殼貼地利修女紀念中, 國㚲之发女誤活動促進委員會及觀諴服務中心,爲枝壓工業青年善用餘暇,發揮及培育

比賽日每位染者可獲入場券爾發。費用全竜。(行)

職工認識社會活動

基愛青年中心推行

獎勵:毎柤冠亞季軍各一名,每名可得錦旗一面及名譽獎品乙份。

| 秋式設計佔四十分,執製手工佔四十分,飾物佩襯佔十分,儀態出十分。 ̇比实方法;八一)比在分兩組進行,(A)組便安綴,〔B】租晚裝組。(二)幹列計分":

首項時裝設計比賽

適合工業青年參加

工業青年雙週活動四月初展開

让人世界

觀塘區工友文娛活動節目豐富

將透過茶叙形式討論社會問題

「失深之故,感到變足 足,腸胃不滿,或脾土 較大的工友,因血氣不 有困倦感。另一些年紀 ,睡眠不足的工友 - 每 一些忙於應酬,烟酒過多 暖還寒 - 肘雨無定,一 仲春二月,天氣,

4

歡迎₩年工人參加。 ,以便各參加者對 道十七就該中心舉行,以影幻燈及公開討論 工作能力。 风至十時假李述屋利 專業人士外,交,使彼等用工餘及發順令人不安- 還是老手 一座談會,定於本月北的態度,對少年犯罪及,將安排茶叙者自行組織」, 害了上述小毛病的 一日(星期二)晚上八│賭博問題,黃叙上除有康樂性活動,如旅行等,工友老伍,他說:「困」

|導數合辦「靑年與犯罪 青年男女對性所應採取結束後,基憂鬱年中心的。 燕堂沓年中心與善 | 勞工法律,人際關係, 衆討論題目;茶座活動 毛病,却教人铎不舒服

舉行座談會研究使青少年脫離罪惡的」是也。雅是小

- 參加顗報名者源從速肉的濃紛。叫我喝了兩 俄茶座仍接受工友、培珽、粉袞、少許痿湼 ,龍精虎猛,全無啥

̇有辦法 -煲了一使用

我們一貨倉

有犯罪生涯的可怖、可此外- 參加工友又與該中心工作人員聯絡碗,當晚早睡,改天起

頁二第張七第日六初月二年午戊夏 WAH KIU YAT PO

報日僑

明華大度二十一座地下旬。

|員完成考核及加強團結,更協助中心推行各項活

| 從而在麟藏的藏境中落,如同此地早上六 宜, 到慣了的地方!

江市街上的行人,仍很不容易,也并不十分感

「論嚴肅的問題。一

· 活動共有八次叙

往前訂定的日有很大的半岛a 一很有關係...它是面積不,非小心不可,慎防在」工友老林,他說:「近

「論主題,只限叢工參塘站。自然,這與地理環撫多,到僻靜的地方閒派 會,每次對有不同的第一燃的從容,那麼的恬靜的人士說:「若人數不

·時前後的樹景一樣,那很難引起興。據當地

年| 設愛丁堡獎勵計劃小組

日聽足無力,槃足上樓

草叢之中,劉出惡人, -向你亮刀·尤以大山巴我知道:這是濕困。當 氹仔,路,到黑沙灣輕了,跟住我往来店長 ,白鴿巢花園一帶爲最然與腸胃不暢和胖盘有

·沿住氹仔大橋-經使大小便通暢,疲態 「開,我先服五花茶

梯級,感到非常吃力。

集合,時間爲晚上八時至十時,歡迎十四至廿五 ,據該中心主任梁遠光表示,战小組雞星期三 日[t童服務之在職或在學習年,能善用餘暇,參與反光亮,如同置身於盡,很快」。 一及完成計區內各項要求,他取金、銀遭網軍。將中一樣 - 令人有一番,讀之誤,如非染上籤實 保獎勵計劃小組,但有興趣於野外活動,體態及差不齊,在與蕭牛毛的,得宜,維鼓相應,見功 *及協助其人格之發展。讓中心於去年成立愛丁黑色的,遍地龍橋,改天,疲態全失。用來 初 霋辦各項肾年活動 - 以满足一般青年朋友之需要,水抱,沙灘上的沙龙、碗水煎爲大平陳源服。 香港守年協會塞下之筲箕灣青年中心,經常;那岛的風景眞美,山 白案、伏等各五鐘,

滑斯的感覺。

以上是工友們的舞

的疾病,用食療摸「安

,可撥用五————六QQ九八二,或钜到有低津,此12 多加者非常踴躍,如對上述各項活動有興趣之服」。同行的工友,都有 一斷。該小組於本月十二日,舉辦新界旅行靠牌, 或少總會為你帶來像快 減看,吃幾個生鹽,亦 但是,有的自的在於協助各組一大、變換一下環潢,多到預期的效果。邬如筷

,費用每月只收四元。現時路 「接镨早去晚閭的「子也真不壞」的中菜。 「日的來去,消費不會很 游療小毛病,可收

可收到療效,亦爲事例

之一。

[唐光]

.

生活辦

醬逖脫然有

歡迎在職在學青年參加

筲箕灣青年中心

一報名,歡迎年工友及

該深法安除率

絜花門澳滋體集友工

消費不大 招疆然文化包養

觀察與比較之中,

·去也匆匆,但從

川腥,往澳門走一

變換環境著快樂體可快插到

話,搭船的好處 如非趕時間的

各界人士參加,費用全心情愉快 保持整間的

心珠,眺乾海光山

*五五七三推。.

色,在殿上嘆杯咖啡,那凡別具一番風煉的

此外,技中心交

「辦一項藏工認識社會的

一碴警學上八時, 1令你有殺不出的快意。

假日租用居停 - 井

活動,透過茶叙形式,

污染,遲

外過助

會您,活於及少內

向些何可

育教僑

物理

1978 中心會考試說便司專欄

( 廿三 ) 魯榮家

PHYSICS (23)

Electricity

Exercise 11

·Magnetism and Atomic Physics.

1. As shown in figure 1.

0.30 lov

6.0

J20

40

Figure:1

the

(a) Pind.t

equivalent

resistance of the external.

circuit.

(b) Find the reading of

the ammeter"

(c) Find the reading of

the: voltmeter.

2.10 minutes are required

to heat a certain mass of water to its boiling poe int by a coil A. 20 min utes are required by coll B. Find the time required to boil the same amount:

of water if

(1) A and B are connected

in series

(ii) A and B are connected.

in parallel.

3.In figure 2, the ammeter A has a resistance of 4 ohms and it is used to measure currents up to

What must be 0.01

ampere. the values of the resis- tors. R, Ro and Ry, conm nected as shown in the figure, to convert the

meter to one having ranges 0.1 amp, 1 amp and 5 amp?

A

·R1

1A

SA

0.1A

The

Figure 2.

circuit of a common type of ohmmeter is shown in figure 3 below .

A

寒乍暖乍月二春仲 困除驅何如 方驗述談友工

M is an ammeter with

reading up to 1 maand

has a resistance of 100.

ohms. The battery has an

e.m.f. of 3.volts and

negligible internal rewi elatance. R is so chosen. that when the terminals

a and b are shorted, the

meter reads full scale. When a and b are open, the meter reads zero.

(a) What should be the value of the resistor R ? (b) If a resistance of

600 ohms is connected-to

the terminals a and b, (es shown in the figure 4 below), what is the read-

ing of the ammeter ?

(M)

Figure 4

600-2

(c) If the 6000 resistor is replaced by an unknown

resistor of resistance

and the reading of the.

ammeter is then 0.5mA. find the value of R.

5.(a) A proton,

is

a particle carrying a single positive charge. A deuterium,H2, is a charged hydrogen atom carrying a single posit- ive charge and having twice the mass of a proton If a deterium D, is sit- uated between two plates,

P and Q, which are suddenw ly charged. by joining t

a battery. P becomes posit ive, and Q negative. The: deterium D starts to accelerate with an accel-

-2 1010 eration 1.5 X

(1) Which way does the deuterium go?

另一位上了年紀的

92 Th

232

(Radio

element)

active

208

82

(Stableten

final

products)

化學 R ( 廿三 ) 朱宏林

Chemistry (23)

Question. 34

(a) Part of the structure of the

polymer called perspex is shown below

(4)

CH2, N

CH. H

DOOGH Goods H COOCH, Give the structural formula of the repeat- ing unit in the polymer. (ii) Draw the structural

formula of the monomer from which the polymer is made.

· (iii) Write an equation to

show the formation of the polymer from the nonomer,

(iv) When the monomer is.

(v)

boiled with an aqueous. dilute, acid, methanol and a substance P are ohtained..

Give the structural formula of P.

write an equation for the reaction involved.

Write an equation to

show how the substance Preacts with

hydrogen,

(2)magnesium

(3)/ phosphorus (V)chlow

ride

(4) bromine solution in

tetrachloromethane.

State the conditions: necessary for each re- action to occur.

(b) Give the names and structural

formulae of the isomers, belo-. nging to the same homologous geries, which have the mole- oular formula, 10 O and cart give white fumes with phosph- crus(V)chloride.

Wrtie equations and name the products when each of the isomers mentioned reacts with phosphorus (V)chloride..

Question 35.

(a) In the experiment as showi

below, the gas X produced by the action, of dilate sulphuric. acid on zinc granules is pased over hented metallic oxides"

dilute sulphuric acid

zine ( copper(II) oxide okide.

heat

drying agent ~zine

. water.

·(11) Sippose we have a

proton in stead of the deuterium. What is ita' acceleration ?

gas X

(iii) Suppose we have an alpha particle in stead of the deuterium, what is its

acceleration ?

(1)

(b) Estimate the numbers

/of alpha and beta decays

that will take part in the following transmutation.

granules

liquid V

What is gas: X?

Give the equation for ita formation.

(ii) Name the substance burnm ing at Y. Bane the pro- duct(a) of burning and write a equation for the combustion.

(iii): What is

colour of the.

flame at Y?

(iv) What happens to the

zino oxide and copper (II)oxide respectively? Give an equation for any changes observed.

(v)

What is the colourless liquid W?

-Give a chemical test for

its presence.

(vi) Suggest a scitable dry-

ing agent. to be placed in the bulb as shown.

(vii) Suggest a substance

which can be used to

speed up the formation of gas X.

(b) Name the product(s) obtained

when each of the following

substances is heated and give and equation for each of the reactions

(1)

potassium chlorate

(ii) leed(II)nitrate

(iii) iron(11) sulphate

crystals

(iv) copper(II)hydroxide

calcium carbonate

(女)

Question 36

(a) In the following experiment,

the current is noted when a saturated solution of barium' hydroxide is added from a.

urrent

burette to 20 cm of dilite sulphuric acid placed in a conductivity flask.

barium hydroxide solution

tte

(b) State, giving

equations, what

products, are obtained when: the following substances de- compose on heating:-

sodium nitrate..

(ii) silver nitrate

(iii) ammonium nitrate

(iv) copper(Ii)nitrate

育教僑華

學能推理練習專欄

文字推理

智慧社主編

(六)

文字推理林習六

關係的類比(二)

下列各類是一個句子,試選出最適當的 以来成謎句:雄在它的下面畫一橫線。

C機會

:D 有性

E時

B智

D公正、E棋盤)

D花式

EMR).

battery

C平郎、D部票

总便宜)。

-conduc- tivity

B瘼削

rheostat

flakk

C燕额

D懦弱E地确了

acid

The current measured by a millimeter is plotted against the volume of barium

hydroxide added and the fol- lowing graph is obtained:-

vol of Ja(OH), added/cm2

(i) what would you observe.

in the flask? -

Give an equation for the change(s) observed,

(ii) with reference to the

above graph, explain with the aid of ionio equations why

(1) the current at Alis

maximum;

(2): the current decreaseS

from A tó Br

(3) the current at B Is

.zero;

(4) the current increases

slowly but steadily from 3 to C.

(111) What would be the con-

centration of barium hyd- roxide if 0.01k sulphuric acid is used?

不慢地批阜新辽和海洋时(P魚蝦:

羅波濤 S岸邊 T船隻了。

商店好货物正如工廠村(P工人

R產品 S機器 T抗工

R搖憾

S楼奖 T飘源

10.太陽 對火星 正和 地球升(P月亮

R水星 S臻星T天然门。

11.沙粒外沙漠求如水消践(A水池

E小裤了。

B法海

B***

C醜化

E獵槍)。

13.四肢到手正如五官科 (A踊梨 B鼻子CH

韻:紫皮膚:E臉耀 )。

上看,收入對支出正如積累时{气盎册

C寐

E**).

5世纪纣叔父正如外甥时(A鞯父

B伯父

RTA

S不合,T不等)。

Q遭疑

R堅決 S精品T潞漣)。

18.一斤外八而正如半小時到(P一小時 QEx.

分鐘 我一刻觼 5十分雄 T冰天)。

使用求野樱花 正如 中國 對(P格花 Q光师

R狀瑰 S菊花T邃花)。

Q防腐

OD

OE

OC

OB

茶 S OT OR

OP

12E

13T

B DR.

05 A

P 领

Share This Page