1971-01-21 — Page 15

(12)

Qww

789

10.

11 S

12.F

2.毛!關於學術力紛分了,心在學 退病理的區號釘的的的繁而得不渝奔过点 面露一洲的純攬自體會說

·莊中毛泡婚 不零得小现成袋的 的應病識。差中大鵰歷。 例的,的缺無的總判他生 于规科培法 深,肚秘解 退璨自藏 龍料學生注 多有的。手,生源洗電

在船不力任物師洪激的 學科是是老

術校先要問起形程 跟歌

此料,的,往去了带的怨份括

我的的病

*察医分就得 的事他意 史篇分·太 课生們的

物含理 理三年

的的。

有能耻期一

無意麵的

().

香港教育的一個

育教僑華頁三第張四第1日五廿月二十年戌庚醫夏 WAH KIU YAT PC

郭3橋

四期星日一廿月一年一七九一曆公年十六國民華中

僑

1971英文中學會考試題預習專欄

脫是目力,無日 速發 能辦料不知的 了另分大家先官分目外的誠抖個

WAJA ALLREALY 1 SUNLIGHT

PRESS

1971英文中學會考試題預習專欄

生物科

(十三)

·OGY:

LESSON THIRTEEN

光出版社主編 SUNLIGHT PRE SS

化學科

KEY TO LESSON 12 EXERCISE

CHEMISTRY

LESSON THIRTEEN

20-1-1971

ANSWERS TO EXERCISE 11 (109) T

A. vitamin B,

(111)

:(114) ÷E. (IIS) E

(1·19) P

0112

(16) · T

vitamin.

118)

(20)T

心

vitamin

-EXERCISE 12

重要課題

“馮以浤: 不能以誤源視之,它實演上网从程的一部份。空白。如果學舍断史的目的是希望通過去來明白厚的效率, 有很多 :偶像活動的教育家芻夜作為太大了,我們风 革命便嬴然然止,許亥革命之後之六十年是一片等的和成權威的 日 文言文。儒文是人與人之間業追的工具,不看似 | gi目的?至於中國歷史,中華齡本案弑辛亥 话文,低中學國文殊本所通的銘文有一半以上是 |一個是中國歷史科。我們日雅倫识的中文是白 現在及預見將來,把對今日壮會影响至巨的近六一般做凡,而忽略特 一人的語言而黑古人的緊實,但沒到奉以致用, 是很有教育和美

Nitrogen can bc, prepared by heating: ammonium chloride av sodium nitrite The reactions are as follows.

NaNO

where (X

NH NO2

NUCH

NH¿NO + NaCl

·NHGNO2 NaCl

NH NOT NaCl + Hat

NHANO 3

-NaCl

Ammonis is prepared when any ammoniurn salt reacts with any alkali:

NH4Cl+NaOE

NH3

NaCh

(B)

•2H3O + Na2CO

Naci

NaCl

(E) 2H»O + NaCl

Ammonia is used:

(a) to manufacture nitric acid

(b)・・・ to make ammonium sulphate, used as a kind of fertilize

to prevent fainting and dizziness (in smelling: salts).

in all refrigerators:

(A).

(a)、(b) and (c) only

(B)

:(a), (b) and (d) only

(C)

(b), (c) and (d) only (D) All of the

(a); (c) and (d) only.

(124)(a)

Ammonia is a colourless gas

(b)

It has a. pungent choking srael

(c).

It is poisonous

(d)

It supports combustion (e) It is the most soluble

of all

(It is the only common alkaline gas

(g)

It specific gravity of the solution is

The properties: of ammonia are

(((A)

(a) (b):(c), (d) and (e) only:

(B)

(a), (b),(c), (e) and (f) only

(C)

(a), (b), (c), (d),-(e) and (g) only

(D)

(a), (b), (c), (f) and (n) oili

(E)

All of them

(125) (a)

It turns litmus blue

Beri-beri is a nerve disease due to deficiency of

vitamin By

tamiz

Which of the following mammalian structures

has the ability to produce red blood corpuscles

in early fe and to destroy them in later life?

B

splee liveri

red bone marrow.

lymph node

parotid cland.

During the larval stage of Culex mosqu

respiration is done by means of

A. gills

B trachea

C. respiratory trumpet:

D. respiratory siphon

E. direct diffusion through the cuticle

Which of the following statements abou

mammalian erythrocytes is wrong?

A. It is biconcave and digo-like

B. It contains haemoglobin

0. Its life span is about 100 days.

D. It is enucleated

E It can undergo amoepoia movement wren

squeezing past each other

Which of the following 1000 material can

provide more calories per pound of weight.

A. potatoes

D. sugar

B. tomatoes

Visoya beans.

wang metamorphosis of frog, the tadpole.

Afeeds on pient matter only:

'feeds on animal matter only.

feeds on plant matter first and later animal matter 100

feeds on animal matter finan plant matter.

E. does not feed at all

later

ihach of the following grouping is wrong?

同法日”而列单主者節 師盤,把將丹: 莫潞面 *學的我然地生要固上上生未有於跟五大通記:

揭我包&滑足然菜 課鹽港狗不栞區的壯熱藥

•供相潿小便與糯因不,

點,因的安及在老,生想誰的法到魚發。造業 蔬果,晚一隻聚做沉是便,是您乐程数:

漢師必遣椅和大前運精生大開较好的: 們需取肥老學,苏海神的上提。如強 多一新大師互沒很差,碗暖仍印成果二 ∵些些极大,相有 不理使 帮段 然时以,政者

原少一不同提拔隊,步沉口留一找法器 南做下利學,宜的法咩問艦在下

興,的會虒目了,的確在

·碧燒的無牌仙被保豬而中共上均没從文 慢篝困識和們迫字學,详解决以十方小啡最

培榄不能的

所以-蹀 使之相社會的發展合拍,墊

個人個響的的是分國作、 的去數學不行版

烈生按制作做一人於效和孝很想社精紀生

,受身濫發的一路路球罩 旺來所然少同我識讚具有把下不

到心,眼發些泪交他彩盘 們不限制愁自较老,小爆但

*剩,跌打形化進行大摔譚己與备門,掭強,再續開何自我其實助 不追望黎 中們的很不折遇力了摸。的顧漱。互迫接來鯿樂活,今和

想到的會了水好另以收發

二落料架生亚L渚筒證,渦家进球 個很形活力干一些及办啊?那年的神職,都社互了的加成的 我個生碍碍的换以方形态的一個先們是醇,得成她有會相亭出取樣在比可制的 一救得了。知飼面响連時襲,生的一起一刴續爭一意怒‧朋入良好强觀以眼。

“法的意妈的快递,無細密約转年、更的用危 升 專業買社結線單的用的,們紀藝,路模入

的物理變案,下以辣但政府

去便,爲爭卻與糧 简简那安船

中文中學書考試題預習專欄: Sumh=音:hwbsimn

數學科计王

第十二次線習頭解客

.以可能之區簡式表。

2)AS ABC ZIA a, b. cxs== ={\thre

(3)已知角和任意一邊,求三角形

面積:

fen Slaaa SmB SuC

2 Sin A:

(正)由正弦定律 m

asic

因為 <mfac Sims

SmA

由心代入得010

SB

Of Sm B Sams

3905 300

It has a pungent choking smell

It forms yellowish furries with hydrochlone acid

"It lights a burning splint

ammonia

The tests.

(a),(b) and (c).ontv

and (b) only

(b) and (c) onli

(D) (E):

(a) and (d) only

(a), (b), (c) and (0)

nmentum hydroxide when added to solutions of metallic saits form.

metallic oxides

心 metallic hydroxides

precipitates of the metallic hydroxider

ammonium salts and water.

(R)

(S)

ammonium salts

(T)

(b)

(127)(a)

(c)

.cataiyst generally speeds one chemical reaction

A catalyst may increase or decrease the rate of chemical reaction::

A small amount of catalyst is usually sufficient. (d) A catalyst changes chemically, during a reaction (e) A. catalyst may not work properly if impuritier

occur...

The characteristics of catalysts are

(P)

(a)、(b),(c) only

(a), (b); (c) and (d) only

-(R):

(a),(b), (c) and (e) only

(S)

(a), (c), (d) and (e), only

:(T) All of them

(128) When solid ammonium chloride in a test tube is heated.

Then the solid

(P)

(Q

(R)*

(S)

(F)

will give out chiormic/

changes to liquid ammonium at once

will form precipitate of ammonium salt

will form: precipitate of ammonium chloride. sublimes

(129)Ammonium carbonate is unstable

(Q)

(R)

(T)

it forms ammonia and carbon dovida

it forms ammonia and water

if forms, am:montcarbon " monoxide and wate

it form san monia car bon doxide and water it sublim es

-0:30) Thermal dissociation is the decomposition of a compound

by heat:nto smpfer's uts unces which

(0)

form another new substance at once recombine to the original compound

R

(T)

Tomon gnal compound if heated. uga.

recom bine ai cooling to form the original compoun Form new substances physically.

Substrate

Digestive enzyme

A starch

cane:sugar

amylase

invertase.

0 protein

trypsin

D milk protein

pepsin

E fat

lipast

Cloaca is the opening mainly for.

A, discharging sperm mass (B. discharging ova

C. discharging faecal substances D. discharging sperms and faeces

g. discharging ova and faeces

The sebaceous gland functions to

A nourish the hair follicle

B. Lubricate the hair

C. remove. excess water

D. produce milk

R. remove nitrogenous WARFA

The bastard wing is the modification of

A. the thumb

B. the secona alg11

C.the third digit

Q (b +C

以下各化為最能指數形式

*4) (a/bc3) s

(F) ( a^ 3/bc3)3 -

the fourth digin

FE, the fifth digi,

(5)| as (bc-)?

197) √ aš ( b c = 1) 2

11 The feathers in birds function:

A. to break the body stream-lluv

B. for flight

-

c. to keep the doay Warw

D. to prevent wetting by water

E. for courtship

Which of the following is oot found in

the structure of the knee

P, syiovial fluid"

Q. articular cortilage

R. ligament

8. tendon

T.synovial memorane

lenoid cavity is found in the

P. skulle

Q. scapula

B.Scann

s. pelvic girare

femur

pygen is mainly carried by the blood

P. in plasma solution

Q. together with sodium carbonatee.

R, together with carbamino haemoglobin

" in the form of oxyhaemoglobin

. in the form of oxyhaemocyaniz

"Yawning is due to

accumulation of co.,

Q. Jack of oxygen

R. accumulation of lactic acid

S. a reflex action for CO2 remova.

T: none of the above

•6) (x*_y=)/(x-

AM (x * = y *j*)'

4

〈8〉化簡〔Ce*+e*-4]

[ex*+2+e?

= (e 2 - 2+ e →→]* = [(e*-ex*)] =

三角形面積公式 (1) 已知两边及來陶,

(試證)三角形ABC大面積一支UC SimiH

三角形的外樓因的半径由上次

虾耀

[M] 1) # SABC, 240 b=2+36

C=18.54 A=3615 求面積

= +X2436x1854 Sin361"

12, 18 x 18.54 x 0,692 133.68

例2)在△ABC中,已知可逆,

b=14,C=3,求面積

614 C=13

因為 s=41:15 +4 +14)

√21(2115)(21-14)(2

21×6×7×8—84

例3)日和△ABC中,已知B=6714

C-62′26′′ a= 6 + 10*

·A=180° - (B+C).

= "180"− (57°14′'+622

·60-20

a2 SinB Sin SMA

162 x Sin 5-14 Si

Sin, 60°20

16 x 98409 x 0.8814 07689

219.1.

a2 SMB SWC

2:50MA

(IRSMA)=SMB SMC

25mA

2RSMAS BS

下列各题求A.ABC之面積.

WU). 640 Q=14.56; b=18.12 C e) 240 a=17; b=18, C=19

(3) 2ÃO Q=12.34, 6=15.27, C=16.81

440 A=7622, B= 64 16 0= 12

(5) 已知RO ABC 的外接周半程

16) 240 A=74, b18 C=20

*R.

(7)2#0 a+b+c= 264 A 581

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