REFERENCE
CITY HALL報日僑華
育教儷頁一第張五第日六十月正年宜甲愿复 WAH KIU YAT-PG
くく
1874 中學會考試題預習專欄
盛道書院主權
經濟與公共事務科(十三) 徐有祿
B.P.A. (13).
Multiple-choice questions.
1) The main difficulty of barter
ayetem is that it
A hampera business transaction.
3. provides no means to store for
old age.
c. lacks the means of
D. fails to determine the rate of.
exchange
requires a double coincidence of want a
2) Which of the following statement.
is true?
A. A chèque is accepted aṣ money:
because it is issued by a bank.
B. Bank notes issued by any bank may
function as money.
jC. Legal tender is accepted as money.
through: Legielation.
D. The one-dollar cine are issued by
Hong Kong and Shanghai Banking Corporation.
E. Only A and B are correct state.
menta
3) The use of cheques providea
The general public the advantage.
of overdrawing whatever amount they like.
2. the users the safety against
forgery. and robbery.c
3. the budineashon the convenience'
́of making large payments.
4. the drawer the means to tide ove
financial difficulty.
5. a bank the facility to create
̈ ́obeque money.
A. Only 3,4,5 are true: B. Only 2,3,5 are true C-0nly: 1j23.4, are true
D. Only-2.3.4"
E. All are true.
are ture
4) Both bank, credit and trade credit
are important to the prosperity:
of a place with one exception.
Which is the exception?
Beck credit reduces púronasang
power of the community.
3. Bank credit enables wholesalers.
to allow trade credit to retailer C. Firms can do more business with
credit.
D. Both bank cradit and trade credit
s can stimulate indsutry and
commerce.
E. Excessive credit lends to inflat
'ión....
5) Existing farm land in the New
·Territories is subjected to pressure from
A, the expansion of urban area
B. the establishing of new town's C.the building of roade
D. the construction of public amenit-
LOB.
E All the above &,B,C and D
6) Identify the False atatement
about the vegetable Marketing Organization.
A. It is financed by 10% commission
* on the sales of vegetables,
B. It collects and transports
vegetables from the New Territor- ies to the sholesale markata
c. It aupervisen the wholesales of
Iocally. grown vegetables;;/
D. Imported vegetables are subjected to its supervision in wholesaling E. It is a statutory body,
7) Fresh Fish ponds are chiefly
B. Yuen Long C. Tsuen Wa D." Aberdeen E. Lantau Island
8) Tertiary production is the A. work of distribution and the
provision of perschal services B. manufacturingof luxurious lo
commodities.
C. production of light industry
producta.
D. making of goods, fór Improving
living etaidurd:
E. Only Band D.are town
9) Which of the following is a
secondary product?
A. A. fish ;- B. Iron orea
C. Plastic flowers:
D. The service of an accountant
B. The work of a carpenter
10) Hong Kong tackles the problem
of land shortage by, kt
1. reclaiming land from tha:mer,
2. building satellite citiše
using lend "economically. using hillaides for building purposen.
5. diverting city dwellers to rural
6. improving traffic conditions.
A. Only 1,2,3,4 are trus
B. Only 1,2,4,5 are true. C. Only 1,2,4,5,6 are true. D. Only 1,2,3,4,5 are true E. All are trua
1)The most developed satellite town
in the New Territorism in
A. Teipo. B. Shatin. 6. Kint Chung
D. Cantle. Pask E. Tas Wani
12)Higher productivity can be achie-
ved through
A. sound health and favourable.
B. higher wages and accial status
C. better working conditions and
management
1D, good, education and training
E. All are true.
13)In the labowmarket, pride in-
known as
bonus B. mages.
D. price
B. charge
salary
14)The organization of workers the form of trade unions is chiefly for
A; improvingthe well-being of the
workers"
B promoting organized activities
among workmen
uniting the workers to fight
better working conditions and
wagch.
D. developing mutual asefi
anongthe workers
E. All are true
四期星
1874中學會考試預習專橚
竪道書院主精
物理科
穿爐榮
solutione
PHYSICS (13)
Single touchr
The steel needle is placed: on a table and is stroked. repeatedly in ons direction with a permanent magnet. The pole of the magnet must be rained clear of the needle ́each time. Its end is reached:
The end last touched has an opposite polarity to the stroking. poled.
Divided touchi
Two magnets are used, one for each half of the needle. The procedure for each half is the same as the method of @ingle touch. The end of the needle last touched is again opposite in polarity to the magnetising pole, so that the magnetizing poles of the two mugnista must be of opper caite polarity to make the. needle a hornal magnet.
日七月二年四七九一曆公年三十六國民華中
·Electrical method?
The neudle is placed inside the solenoid of a large nud- ber of turns of insulating copper wire and connected to 2 battery. The current la switched on and off.
b) Before the steel bar fe magnet- ised, the axes of the mugnetic domaing point in all directiona at random, so that: the steel bar as a whole shows no polarity. After the bar is magnetized the magnetic axes of the domaine are aligned in one direction. e) The iron filinge in a test tube will he attracted by either end of a compass needle, but after it has been magnetiaed, it will be found that each end will". attraut one end of a magnet and repel the otheri
24.
ay Faraday'a laws of electrolysiar (1) The mass of a substance Lib-
erated at an electrode is proportional to the quantity of electricity which has passed through the electro-
(11) The masses of different.
substances liberated at electrodes by the same gunta dty of: electricity are in the' same ratio of their chemical equivalenta.
•voltmeter:
-Bray tray
Silver
•Silver Solt.
Solution
Theoilet
o) (1) The current through the
circuit should be adjusted todenell enough value to avoid heavy deposite of silver onto the brass which might drop off,
(ii) The brass tray should be
uniformly surrounded by the silver electrode in order to give an even deposite of silver on it.
The mass of silver deposited -0.001118 x 4 x 10 x 3600
161 ga
(ii) The resistance of the ecluttor
7.5 ohms:
(111) The cost required
-30 24. 1000
Problems for next week 25.
a) State ohm'e law.. (b) Explain the term 'lost volt'
\0)A 6-volt lamp has to be run off a 12-volt battery having an internal zead stance of 0.5 ohm"
Calculate the resistance that has to be added to the circuit, if the lamp has a resistance of
17 2ohms.
d) two lamps connected in series
have a regiatance of 500 ohms. Wher. Joined in parallel they have a resistance of 96 chìs, Find their seperate resistances. 26% Show how would you convert a
2) voltmeter of reaistance 50 ohma and having a full scale reading of 0.5 volt, into a milliammet- er with a range 0-500 m.
b) An unknown resistance is placed
in series with a battery of negligible resistance and a gelvanometim of resistance 200 ohas. The galvanometer rending is noted, The unknown resistance is replaced by a rýsistance of
10000 ohms and it is found that when resistance of 1.8 chime i is placed in parallel with the galvanometer the deflection is reduced by one tenth. Find the unknown resistance,
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