節誦朗育教 莫三第張九第日九廿月十年丑乙歷夏
1.986
中學會考試題預習專欄
生物(十一)
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Revision
Exercise
for
tiague,
Raw potato cylinders. were made with e cork borer and cut into exactly equal lengtha of 30 mm. Then they were put into, sucrose solutions of different concentrations. After one hour, the potato cylinders wëre, removed from the solutions and carefully dried before their lengths were measured again to the nearest mm. The change
WAH KIU YAT PO
obtained are shown in
the table below:
Leaves
cobalt chloride.
рарёг
attached to B plant
Adhesive tape
BIOLOGY (11)
Time taken for cobalt chloride paper to change colour (min) Tipper surface
Lower
ime
day
Cert. Exam. (1986)
in length in each strip was calculated
surface
according to the following formula;
0800
10.6
.... 5.0
-1000
7:2
3.0
final
initial
1200
6.2.
2.2
length
Length:
1400
9.4
3.4
1600
15.4
The results obtained
1800
21.0
0.0 9.0
are
shown in the
table below:
ANTHONY CHEUK
MILL & DALE PRESS LTD.
Unit b; Water and
organisms.
1. The diagram below shows
set up experiment
the
Labe
of an
Concentration of
sucrose solution ()
Increase
or
Tubber
decrease
in
Black
length (min)
polythene
Lover'
(hood))
Readupted
capillary tabe bubble.
Name the apparatus.. containing the plant shoot in the diagram. What does it measure? iii. State the differences.
that would be
ii.
expected between the readings that would be given by the
apparatus uncovered.
in bright sunlight and those that would'
be obtained if a hood of black":
polythene were placed over the shoot. Give ope reason for the differences.
Describe and explain what précaution.
should be taken when cutting the plent. Name the process that causes the upward rovement of water. Nume three faces: responsible for the upward movement of water through, the plant.
vii. Name the tissue
which transports water upwards in this plant. Give one.
function of this
other
to show
Use graph paper to draw a curve the above results. Give an appropriate title to your graph (((1))
iii.From the graph, find
the sucrose concent- ration which is equivalent to the water potential of the potato cells.
iv, Explain the change in
length when the concentration'of
sucrose solution is (1) 3%, and (2), 18%, Explain why boiled potato strips should not be used in this. experiment
3. The diagram below shows.
the set up of an experiment. Identical stripe of dry cobalt chloride papers were being placed on both surfaces of a leaf attached to a potted plant. The time taken. for the paper to change colour at different time of the day were
Tecorded. The results
What is the nim of
this experiment?.
se graph paper to. draw curves to show the above results. iii. Give an appropriate title to your graph in (ii),
What.com you
conclude about
(1) the relative rate
of transpiration
on the two
surfaces of the leaf?
(2) the rate of
transpiration in connection with
time of the day? Explain the conclus- ion you have given in iif." (1) &(2). Why should identical
strips of cobalt chloride paper be used?
What is the function of the adhesive tape besides of sticking the cobalt chloride paper to the leaf?: viil state the colour of
the cohalt chloride paper (1) when dry. (2) when wet.
Draw a label Ind diagram to show the appearance of a stoma and its neighbouring cells on leaf surface as seen under the high power magnification of a microscope.
The following table. shows the distribution of stomata in the leaves of severel different plant
species.
報日僑
Average number of stomata per cm2 Upper Lower epidermis epidermis
1200,
-13000 5300
6500.
9000
0
30
0 400
Which Leaf belongs to an aquatic plant with floating leaf? Give a reason for your answer and -explain the significance of such stomatal distribution. ii. Explain why leaf D
has po stomata on both upper and lower epidermia
iii Which leaf belongs to
a plant growing on dry habitat? Give reason for your choice..
Explain why the
stomata are distribut ed more or less evenly on both surfaces of leaf B
Explain the advantage's. of having most stomata on the lower epidermie in leaf A-
歷史(十一)
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Revision Exercise
for
Cert. lixam. (1986)
HISTORY (11).
VIOLAY Y. WONG.
MIL & DALE PRESS LTD.
Describe the background. structure, ains and weaknesses of the United Nations.
The United Nations represented the continu ation of the cooperation among the Allied Power's against Nazi Germany and militarist Japan" during the Second World War. (1939–1945). Since the League of Natione`).
(founded in 1919), the idea of an international body for maintaining peace had not been given ap. Before 1939, the USA kept herself isolated from European affairs, Hovever, she was willing to cooperate closely with western European countries after 1945 against Soviet Russia and her allied states.
The idea of a
United
二期星
日十月二十年五八九一屦公年四十七國民藏中
the
years from the General
Nations originated in Atlantic Charter of 1941, when Roosevelt of the USA and Churchill of Britain set and agreed. to get up such an international organization.
Then in 1942 the USA, Britain, Soviet Russia and. China made a joint declaration known as the United Natious Declara tion. In 1943, the samë countries, made the Moscow Declaration, in which they proclaimed, their determination to put the idea into practice,
In contrast to the lack of planning regarding the establishment of the League of Nations, the Allies made, detailed and
long-term preparations for the United Nationa
In 19
representatives
of the USA, Britain, and Soviet Russia (later.. replaced by China) met and discussed for a few weeks at Dunbarton Oaks (the name of an estate in Washington). Joint
proposals known as the Dumbarton Oaks Proposels
were sent to other
governments, though after much disagreement. It was only after the Yalta meeting between Churchill. Roosevelt and Stalin in 1945 that an agreement was reached. Later in the year, a United Nations Conference on Intermi national Organisation was. opened at San Francisco, The smoll states: tried to. change the proposals of the Big Three (the USA, Britain and. Soviet Russia). Neverthelesa, in the end, the Charter. of the United Nations was created, without much change of what had earlier been planned at Dumbarton Oaks and the Yalta, The United Nationa Was thus established.
Structurally, the UN had several parts.. There was a General Assembly, in which each of the member states is represented and given one vote. It is the main body of the UN. When important issues like peace, security or membership are involved, a two-third majority is necessary for any decision. Make
Secondly, there is a Security Council. It is composed of only 11 members, with five of them (the. US, Britain, Soviet Russia, France and China) permanent and the other six elected for 2
Assembly, The Council has the power to call upon other members of the UN for air, navel or land forces to maintain or restore order in any member country threatened by aggression. However, all important decisions require an unanimous agreement of all the permanent members plus the votes of two non- permanent members. This gave Soviet Russia a chance to prevent such am agreement from being sa reached,
A Secretariat, consist- ing of a Secretary- General and his staff,
carries out "the DNA a worki Also, the Secretary ter Generät, who is appointed by the General Assembly, is responsible for bring- ing to the attention of the Security Council any situation that threatens peace. To enlarge the UN's activities to non-political fields of co-operation, an Economic and Social Council makes studiea into and reports an economic, social, cultural, educational, and health: matters, in this 'Council there are specialized committees and commissions, such as the Commission on Human. Rights, the United Nations Educational, Scientific and Cultural Organization (UNESCO); the World Health Organization (WHO), the Food and Agricultural Organization (FAQ), or the World Bank.
Lastly, an Internation mal Trusteeship Council administers and super vises territories which are placed under its..... control until stable self-government and iaproved economic and social conditions have been achieved in those territories. Also, an international Court of Justice acts as the UN main judicial organ. And an International Labour Organization (110), tries to improve working conditions for workers throughout the world.
Thus one'ežu see that the aims of the UN are not only political, but social and economic even cultural in
But the most. nature: important objective was the keeping of inter- national peace and security by providing a
meeting place where peace Talks could be held and
actions to maintain peace
could be taken.
And yet, in trying" to. realize these aims, the UN was not always successful. The UN suffered from many weak- pesses. Like the League' of Nations, it lacked permanent and effective power to carry out its decisions. To settle. international disputea, the Security Council could use mediation or arbitration, or impose economic or political sanctions, or use an "international police forea" to be provided by member states. Yet the Cold War, which aay. the rivalry between the USA and Soviet Russia (two most important. UN members), prevented such a force from coming into being. Nevertheless, in international disputes- over Korea, Suez or the Congo, the UN was able to recruit troops for intervention.
Indeed, disagreementa among the Great Povers, mainly between. Soviet Russia 01 the one hand un the USA. ¤¤ the other; handicapped the UN,
take
greatly Soviet Russia. always voted against proposals in the Security Council. Thus the ... Council could not measures to preserve peace. Later, the General Assembly, was given power to consider many Butters previously preserved for the
Security Council. But then, because of the "one atale, one vote" rule, the influence of the Third World states (under-'.
developed or developing countries) was dise proportionally large.. The African states, for instance, had 30% of the General Assembly's votes but only 10% of the world's population.
When important interests. of the Great Powers had been involved, such as the Soviet-American crisis over Cuba in 1962, the UN failed to play any significant part. Peace was kept more as a result of the balance of nuclear terror than thanks to the UN Nonetheless, the contributions of this world body must not, at the same time, be overlooked.
第七屆校際朗誦節 特輯
杌級英詩集誦公開總決賽總冠軍嘉諾撒
聖瑪利書院同學代表接受獎盃時攝。
得主余慕験(左)。
·國語詩詞獨誦賽,「蘇浙同鄉會盃」
判頒授「能會盃」。 固示公開討論冠軍,聖保祿學校受評
: 中、 小學散文集誦總決賽得總冠軍的寶
安商會王少清中學獲得東華三院董事局挑戰
曹翠「左〕。
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HEJ (1) Seat (1) BO3 H
·初級組要詩集誦公開總决賽總冠軍煤業
撒聖勇利書院。
中學非公開組英詩獨誦絏虺喔癰钬怡獏
朱杰,接受馬每年頒獎。 磁浯詩詞獨輛决賽,「余光中盃」得主
仁壽院運超穎同離接受嘉實余羞開醫獎盃。
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「髙詩雅夫人盃」後攝。
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中文大學校長盃〕〔子母盃)。 社會學院院長謝志偉博士(左)頒授「香港 大專組詩詞獨誦冠軍蘇中接受
主程浩霆(右)接受頒發獎盃。. 國語散文獨誦總决賽,「李輝英盃」得
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秃」得主翼粥:「我感到好開心!」
·固示函語放文獨誦總決賽,「本僑日報
樂器演奏開總决賽總冠诳思連那利小
學表演時攝。
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ER.
冠軍得主義母(左)・接受馬鶴年(
̇國語教文獨誦總决賽,「星岛日報盃」
英和葉佩爛。
200
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·地語詩詞獨誦速決賽,「孫方中M,B
(左)從嘉雲余檻明手中接受獎盃。
小學時到獨誦總決賽男子組總冠軍妹葉·
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