1971-05-20 — Page 18

四期星日十二月五年一七九一個公三十六國民靠

教

育

三教育學院學生會週末會議

計劃採取行動

要求輔政司答覆教師新薪制問題之日期

屆求

與現

無

消教

個息師

行新

動三薪

籌會

罷課」與 請願』兩個行動籌備委員會

位 在澳洲新南威爾士之雪梨大學及經西關之他在大學,攻魏乐料外驗學士。

生物等高級科目及格 須具備港大入學試物理,化學

可供赴澳紐大學深造 政府牙科獎學金一批

同時並供給來國學

斜於本年大月卅日之的琡委交回舘 方般等可能要在香猪府担任助理阿官不於國中 中關 季金之满格,可向港馬係貴氣楣間大股五里國務生來取 一份合約,其中一項極佈設於戰後,同居生最少四年,在此期間 獲邀之申請入中必斜在三十五歲以下“监钳 檢尬的路,路,及布

哦,郎高虢科目天格,並在香港英文中强和类能同時之考試中,英文成 申智人必須在香港大學高級入學試中有物理,化學及生物學(射物】 元,

·學金額將爲年四千五百元,另有毌謝及儀器津貼二千

熱婆媒科將於一九七二年初開,攻殯時間分別四年度五年·

華僑日報報慶徵文徵畫

上片 竹南海、第二十二

展期本月二十五日截稿

號外報告甘盡,結合了三院孢至對新

葉經已就緒,以便本,

「一代「將語的第一步行動。

(我們年后要唔接受及立系 安行: 一九八五年之暨育政策白宓畫之第十月二十五段

大專學生微文:

豆新

4

學生互動面面

投資上歐洲研行卿生要求則础政司及

員會

B_深入社會正碑詡眾社會

露不蹲能过性浟師開始奔科及

三草 他直記著一信

人表示:於本片生日會接到

台記者昨他們憍份報告書 遇,如果息同等资格的話,小墨所師於中物

改變,則院學生生之薪紡待遇。

(七)在新剂来规行之前,新勃的招致更

BA • #B

*剂;另皖對射及用牛奶,

高中組學生徵文

B:普及康樂活動鼓勵青少年參加

A:對香港節目的建議

B 寫日記的好處 A·利用奶外旅行-

實知健

+ 中小組學生徵文

郭日橋

·海員訓練委員會計劃

凯·北水湾財英

興建海員訓練學校

「北宮香港船龉水泡的9

自由畫比賽

已向港府申請撥地

可加花粉

高級組

初級組

再小一淤水四)

將辦高級海員考試程度相等於英國| 斯斯際作為伊爾布摄

幼稚園組

水準

訓學校,許容由會

育教儒華頁三第張五第 E六月四年亥辛店WAH KIU

MA TEHRK • '

月 助理教育司明主持 崇眞新校舍開幕

約一百萬元

位在西貢 建築及設備費

張: ““得政府莼

(BERKO, TO.OPE FIN

與语,其中百分之八十的

此少新校台姆等。

·衡、洛,對上丽舞設有五個二年級厚二百名,

【供察,均塑身小學究高校並針對每年增加英文

新地在三腳,可鈾怨糁之英文都告克

三一煤五年級

伢之五。

來宿地

航運界阿鯤成員出癒工作,大約有大

! ?3

接第五張第二頁)

英中會考附加數電(一)試題

(5 marks)

Abay

二級調本處具

where b and cổdie constants, and that y assumes

員證印

即日起肱件,ㄚ五月廿五牁i城馬阳爲氛,請他不 概铧P爾貓加水可十五站潞十一对,如十四十五 麻盡四十元,李元,三各再選 共一百名如上,發溶

contains 1 red ball and i white ball

A bag Y contains 2 red balls and 4 white balls

One ball is taken out of each of the bags What is the chance that both balls taken out kit (ed

You can assume that all the balls in a bag ute equally likely to be taken out

(5 marks)

It is given that y

minimum value

·Find this minunum value in terms of, b, and

(6 marke)·

The shaded part in figure 3-is, the region bound

by, the curves of the functions

限公司

·Find ita area

unianged in a hemispherical bowl. The volume of water,"

124

where is the greatest depth of water in cm:

Iwater is poured into the bowl at the rate of 22 c.c/sec at what vote in the greatest depth, meresting when it measures 2

(Take a

SECTION B

(60 marks)

Answer THREE questions in this Section, choosing NOT MORE THAN TWO auestions from each of the two

groups Each question carries 20 marka

A committee

GROUP

erected from a group of 8 boys and girls. If the committee must have at

seas 2 boys and 2 girls in how many ways can the committee be selected ?

Expand (192 dence by taking

in ascending powers or was fat is the term in se 3年)10: -10-01 find the value of 1019719 to 5 significant figures.

Prove'by mathematicat mduction chal of in? 4.2) is divuible by 3 for ill positive integral values.

I DABC - AB • 10 inches, AC: - 8 inches, LBAC = 60° - D is a point on BC fuch that AD bisects LBAC

01 AD = 0 inches, express the areas of LABD and LADC in terms of p and hence, or

otherwise, find the value of p. (The answer may be left in surda.)

C) Show that BD - V353 inches

tetrahedrop ABCD in fig. 5. all the six edges are equal to 6 cm in length,

Calculato

the height of "A" above the plane, BCD; to the nearest mạm

the angle between the line A and the plane, BCD,

GROUP D

particle is projected vertically from the ground so that its velocity (in ft/sec) in the first 4 seconds a

32%

and after the fourth second by

where as the time (in seconds) after projection

Show. that. Vi: w Va when

Calculate the height of the particle when

late the height of the particle when

the value of when the acceleration of the particles 40 ft/se

área, A sq ft of the horizontal section of a reservoir, at a height of it above the lowest point i

by the cable

O

8

-0

800.

1-800 3000

edd

10

7000

.9800

Draw the graph of A against n. and use it to estimate, to two significant lgures, the

olume of the water in the reservoir when 10

d=50(h3· + 4k) in the Interval 8 10 calculate, to three significant figures,

the loss of water the water level falls in height from 10 ft, to &

Consider two regions and in the firm quadrant

Repos A is bounded by the lines

and region ♬ la bounded by the lines

where positive constanth-

Show that the areas of region is twice the area of region #

If both regions. A and B are rotated about the y-axis, show that the solid generated by

is equal la volume to the soild generated by 8

中女中學會考試題預習專欄 */ s(S-Q)(S-1)(S-C)

數學科(三十) 張正邦 = S = 左端

續上期預唱題解答

江岸有一炮台,其高為300. 江岸有二船,由台頂測之,其 俯角一為30:一為45°又二船 与台在联擦所成之的為60°,求 二船之距離

LBEAB

30尺=30°

LD =&FRD' ¥459

H&LABCO

BC= AccetB

BC=30x Cet30

130包一月

<D=ACCORD CD = 30X Cat 45o -30尺

△BCD中,依餘弦建律

BD=BC+DC-2BCX DC CHUBCD

29 XBE(I+COTA-Caça) Xuta At sŒCA) =>

配) 左端 =(1+

SMA +

SMA COM (SWA+GA) Sin A Con

SWAGDA

2AE2+48 (1-88) » ABT AC

BC=27

T-AE =AO

(等)原式

Sugo Colt + Co 90° Smill

(#Th)

ame) 9689=2DC就明

(1 + tanx)(Cotx-1).

(@fo) 8D=100 (話)

(5)a.作一國使食的切於半國

26鮮水程式 (1-tano)=(1-3 ta. 4) 3

(0°≤O≤ 360°)

1-land=

3d

- Como + Tour 8-tan 8=1-31

tand (tand-2) (Land+1)=0

tamo =0, 2或1 19 8=0°, 63°26′, 135°,

180, 241°26′ 315, 360

1. &BDGE联Æ,

ABJAD

LED + RAE LED (作用) BD = 2DC (知) ED-DC (代奖)

6. AB+80=20072MER

3

-ED-DC

AB‍+AD +QAE + RAC2

FRAS + FAD*

((6)+(10)]

(化熊)

(EP) Q. △ABC中求证 (a-b3 they

30°-2×300a. BC為一直握國心 Petsrc=

BD=(30√5)+ 30−2×30☎

XBOX CD60° 方就

900 × 2,268 BR.

任一點試証

BD-30×1.5

45 A

1b. a b c d AABC2 $12

S表面藏求証

zabe

ZAE=AB+ AC-200 BC.

(证明)

S=a+b+c (Coco co§)) (正)右端_286°C

2a6c

a+b+c

(已知) 烏BC ((求) RAE-ABTAC -240 BC

-ABT ACT

AOTEARY A0=Y-AE

← 2(Y=AE)2+dr=BB2+AC2

(3)代入 ]

A

OF

(二知)寧國ABC及海上一层

(求作)一国内切於

01548.

(分析)中国西

ABCB

切钱则EB型直BDE OB 亦海盘BD,由此知必 OBE. REFERS BDA EL RI

角線上,由此可得作法、 (作法)B作国BCZ 切频更C已延長綫於D. 作∠BA之平安BH.

[26++(246 图EB為半婚作國則

Sin

(**)(Gr芳+5m2客)

- a2+b+ Zab (- Cosc) a2+b2-2aboc 古端

46.不用查表求

Colle↑ Cst (45°+X)"

任明)由作图知BD半 國ABC之切线:所以EB I BD作EFLAC因日在

∠BPA之早分战上故EB=

EF, 所以因E亦切於肥

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