日九十月二十年八七九一层公年七十六國民華中育教憍華
頁四第張五第日十三月一十年午戊藤夏
WAH KIU YAT PO
報日橋華
五期
可夜岸
起
生
現分在
少
踺(路)
新城
冠末下午上課。金樂及 里院教習,這在美
1979
中學會考試題預習專欄
地理
(1)
明德出版社李婉娜提供支料
GEOGRAPHY (12)
Suggested answers to questions 16 and 17:
16.
Granité
a.Minerals and Texture
Feldspar
Bot.re
ASAY
Quartz
HAND SPECIMEN
A GRANITE
Granite is mainly composed of quartz, which is glassy or white in colour. feldspar (orthoclase), which is white or pink in colour; and biotite, which is black in colour. Granite is a kind of medium grained rock, with crystal s around 1-3 mm in sige.
b. Mode of Formation
Granite is a kind of plutonic igneous rock which is formed d by the solidification of magma when it is cooled. It usually occurs in large masses or batholiths, at a great distance below the aur” face. When the overlying rocka have been eroded, granite exposes on the surface.
Landscapes:
Under the humid and hot climate in Hong Kong, grainte is a kind of weak rock which weathers very easily, so it always forms lowlands or low hill, below 300 M., e.g. the Castle Peak Hills, the range of hills to the north of Kowloon and N. Lantas, Some times, serious erosion ac is on granite and badland is formed. The surface is hare of any vegetation cover, such as in the Castle Peak region
Conglomerate
Minerals and Texture:
Quartz Pebbles
HARD SPECIMEN
grained.
Cate
ground
mais
TYPICAL LENSLOMERHE
Conglomerate is
coarsed
It consists of
rounded pebbles which are
ceriented together by finer
materials, in a red or brown
groundmass
靈明
Jode e Formation
It is a type of mechani—
cally formed sedimentary rock, formed along the former Bea coast. It is resulted from the position of materials derived from the weathering and erosion of other roc
Landscapes
Conglomerate is usually resistant and therefore forms a cap rock to ridges, e.g. the Pat Sin Hange:
17.
General Changes of Power Supplies İL JAP.
1
From the graphs, we can see that the total demand for power in Japan increases greatly. The masons are explicit. In recent decades, industrial progress in Japan has been remarkable rapid, this in turn has raised the liv ng standard which contri- butes to the increasing demand. However, the stock of energy vreso rces in the country is in a large measure meagre, so the country has to rely considerably on foreign
As she has not supplies. been able to expand her domestic supplies, there is
an increase of imported energy
Types of Power indicating Decrease in Importance "Although coal is still
the second most important
energy consumed in Japan, the demand of it decreases. Despite the small reserves, the production of coal in Japan is relatively uneconomi cal, because the coal seama
are
thin and faulted. Besides the coal in Japan is generally of poor quality, only a small portion of which can be used for caking and other special- ized purposes,
H.B.P. which had long been an important power supply in Japan, decreases considerably in importance, In recent years, the amount of thermal electric power autruns that of the hydro-electric plants. Japan is quite well endowed with water power but most of the suitable sites had already been tapped before the War, and further development is hindered by the considerable fluctuations of river flowage on account of the seasonal variations in precipitation the shortness of rivers; and the faulted and pervious valley floors. Some of the sites may populated by farmers and
be p
re remote from markets which means higher transmission costa
Wood is no longer import. aa
source of power because of the low thermal- capacity and is inconvenient to use.
Types of Power indicating Increase in Importance
The graph apparently
reveals that oil has been playing the most significant role in Japan's power consumpt ion. The consumption in pet- roleum, which is a convenient and latively clean liquid fuel, is speedily on the rise as a subati tution for other forms of fuels, It is greatly used in all types of transport means, electrical applicances aud any types of industrial machinery. By now, oil accounta for about three quarters of
the total energy source in Japan, yet she is able to su ply only a small amount and is of low grade. To meet the increasing demand, every effort in exploi tating new : resources and colaborating with China in extracting, oil from the Pohai and the Yellow Sea is made, 5-super-/6/ tankers are sued which enable the importation of petroleum at a low price.
| REVISIONAL QUESTIONSLANGA
18.
Both Hong Kong and Japan are important manufacturing countries in Asia. Compare
and contrast the reasons for
the rise of manufacturing
industries in the80
countries.
生
明德出版社永案提供資料 BIOLOGY (2)
Behaviour.
Lewins diagram shows a
section through the human ear.
Semi-circular
canal
By means of letters indicate the appropriate structures. which carry out the following "functions,
(1) Conversion of sound vibra-
tions into mechanical vibrations.
Volvers or of mechanical vibrations into fluid vibrations.
(3) Con-ersion of fluid brations into nerve. impulses.
(+) collection of sound waves. Name the substance that fille the space (1) in the middle ear. (a) in the inner ear.
a
c. Describe how the internal
pressure of the riddle ear is enualized with the atmospheric pressure.
d. What will happen to a man who
has his co pletely destruc- ted by bacterial infection.
xplain your answer.
Late one common structural
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feature of the sensory cells Tound in structures 7, and
at basic fu ction of the ear are the sensory cells in the
(1) structures F and G (2) structure a responsible for?
What is the function of
the auditory nerve?
A culture of motile green
lrae was placed in a dark container as illustrated below. The result showed that the concentration of the motile green algae was more concentrated on the light side.
Light
Dark container
A culture of motile, green algae
Give two reasons to
why this is a necessa
(2) S (3). F,G
of the experiment
ANSWER:
4a(1) C (4) A
(1) air (2) perilymph I (Sustachian tube) is narrow tube which connec the middle ear cavity to the pharynx and enables . the air pressure in the " middle ear to remain the same as atmospheric pressur The man will become deaf becuase D (auditory ossicles) are responsible to transmit and amplify the air vibra- tions from C (tympanum) to the inner ear where the waves are perceived. They have sensory hairs (1) Balance (sensitive to
positions).
B
a. One possible explanation
for the above result is that the motile green algae prefer to stay in a place where oxygen supply is rich, How would you prepare an experiment to test whether the explana- tion is correct or not? If the explanation is proved to be incorrect, then what can be concluded a. from this experiment ?
How is the behaviour advantageous to the motile green algae ?
Using this apparatus, how would you find whether an acidic medium is effective, in repelling the motile green algae ?
6. The two set-ups below are
placed in the dark. Wet cotton wool
Motor
theedle
Germinating
(A)
seed
inverted beaker
(2) Hearing (sensitive to sound vibrations).
To cary nerve impulses the ear to the brain. ( sound- cerebrum, posi cerebellum)
To set a similar apparatı except that light is abseit. The motile green algae, prefer to stay in a light place.
It helps the motile green algae to get more light exergy for photosynthesis Place a piece of acid-i soaked filter paper into the culture medium at the If most algae light side, still stay in there, then the chemical is not effec. tive. If most algae move to the dark side, then the chemical is effective.
6.a. A: adicle- grows towar
the wet cotton wool without bending. Plumule - grows out- wardo without bending, B. Radicle - grows down-,
yards.
b. (B):
Wet cotton wool
a. With respect to growth and
curvature of the radical an plumule of the germinating seeds, what changes, if any, would be observed in A and B after a few days?
(1) Name the responses of the plumule and radical shown in B (2) that is the importance.
f these responses when the seeds germinates: under natural condition?
use of the clino- stat in this experiment ? d. Why must A and B be placed
in the dark?
The moist cotton wol pro- vides the seedlings with an uniformly humid atmosphere..
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Plumule grows upw; (1) Plumule: negative
geotropism Radicle: positive:
seotropism (2) Plumule: obtain more
light for photosynthesis Radicte: obtain more water and
c.
It is used to squasfalts.
the
effect of gravity acting on the seedling so that set-up A can be used as
& Control in this experiment. To cancel the effect of light on the experimental results
1. The moisture acts as
a supply of water for the normal seed germ nation,
The uniformly humid atmos phere because of the Inverted beakers) cancels the effect of unequal hoisture concentrations acting on the seedlings.
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