真二第張四第 日七十月二十年周巴层复 WAH KIU YAT PO

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「六期星 日四十月一年〇七九一膺公年九十五圈民藏中 育教儒费

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170英文中學會考試題預習專欄

瑩道英文書院主編

地理科

GEOGRAPHY (12)

(十二)

A) (1) Give the climate, soil and economic conditions necessary for the cultivation of cotton.

((ii) Locate by means of a sketch map the area known

as the "cotton belt" in the U.S.A.

(iii) Name TWO countries which export a large

[Ano

quantities of cotton.

(iv) With particular reference to an area in the

world, outline the problems of cotton cultivation on a commercial basis,

(LLA) INDEAD U.S.A.

·(iv) The prolong cultivation of cotton in the

"cotton belt" of the US.A. ham oveated many problems which are difficult to solve.

(■) SOIL BROGION:- cotton is a kind of

exhaustive crop, it has a very high demand' from the soil. In the U.S«A», a long period of cultivution has led to serious säil erosion in the cotton belt.

(b) BOLL WEEVIL- Boll Weevil is a kind of

insect pest which causas disastrous damage' in the U.S. Cotton growing area, In the more humid south-eastern part of belt, boll Kaovil hús led to the decline of the cotton acreage ind towards the brid wontera! interior, the absence of this past, hann. encouraged the repid rise of the área: under cotton cultivation."

'c) LABOUR SUPPLY:-Cotton grown"in the sub-

trógical areas mainly so labourers capable of enduring the heạt of the sub-tropical summer are required. In the United States..

學學考試題預習專欄]

化學科

林錫衡。

複習題十一

鈣的幾種重要化合物和 硬水 清潔劑

碳酸鹽和碳酸氫鹽

(1)石灰石的主成分是

放出.

氣而成為.

再加水起

作用,而成

(即

複習項目

(一)填-

仁消石灰加水攪拌成.

消石灰的澄清溶液則稱為

(3)石膏的化學式是.

加熱失去,

而變為

其化學式是

(4)三合土是.

的混合,

(5)硬水是含有

化物的水。

(1) Climatic requirements for growing "cottoni-

(a) Annual rainfall between 20 - 40 inches. A

hot dry season during the harvest and ample rain in the early growing season,

(b) Cotton plante are very sensitive to frost,

thus a growing period of more than 210 days without frost is necessary.

Soil

Cotton ie a crop which levies a heavy toll on the soil and so a large quantity of organio or. fertilisers are needed. In sons countrieB cotton forms part of the crop rotation system.. Economic conditions:-

Cotton cultivation requires inmensa quantities of labour, with marked seasonal peaks at planting, chopping, and picking. The problem of labour supply in U.S.A. was solved by the - importation of slaves from Africa. At the . present time most of the cotton fielda aIA cultivated with machinery rather than depending on manual labour.

THE COTTON BELT IN THE UNITED STATES

.

this problem was formerly solved by the importation of slaves. it the present time, i almost all the cotton fields are using Mochenized methods of cultivation.

MULTIPLE-CHOICE EXERCISE IN ECONOMIC GEOGRAPHY

1) Rubber grown best on?-

(a) flat.alluvial lowlands (b) gentle aloping ground-

cf.plateau surface

a) hill tops

fertile deltaïc areas

2) The process "vulcanization" refers to the-

(a) cutting of narrows lite in the bark of the

rubber treas.

(b) addition of nitrogen and potassium salts into

the soil to increase the yield

(c) rolling of rubber latex into sheet rubber (d) addition of sulphur into rubber Latex to

prevent it from oracking

(s) addition of formic acid into the latex to make

it coagulates

5) The tapping of rubber tresa úsually takes ̋place:=

(a) in the evening

(b) throughout the day

(c)

in the morning

(d) during night time

(e) between mid-day and evening

4) The probleme confronting orasent day rubber

producers' include - -

a) decline in yiela

11) soil erosion

113) Over-prod 40810

1v) xiuing Labour Cont

v) flnotations in world market prika

1, 111,0

主文, 123, 1V

d) iii, 1v, V

5) Most of the world's synthetic rubber comes from I-

(a)·coal taF.

(b) potassium salte

(a) by-products of petroleum

(d) sulphuric acid

(a) calcium salte

6) Conditions necessary for ride sultivation include 1

i) a high summer temperature with an average of

80°F throughout the growing period

11) well drained soil

fii

gentle sloping ground

iv) an annual rainfall of at teams qu INCASS

1, 11

1, 17

碳酸鈣不溶於水但能溶於舍.

中而生成

之水

(7)石灰水露置於空氣中,則表面生成一層.

(主成分 此現象証明空氣中含

(8)硬水用於汽鈿其弊黑-番

(9)碳酸鹽(如碳酸鈉)和碳酸氫鹽(如碳 酸氫鈉)加酸都產生 氣但前者的 溶液加硝酸鎂溶液則.

後者的落 液則

(10)碳酸鎂受熱分解的生成物是 和 碳酸銨受熱分解的生成物是____

(1)凡利用鹼與油脂起複分解的作用為

(2) 俗名

學名 化學式 用途一種

蘇打灰

小蘇打

洗濯蘇打!

『苛性鈉

(二)選擇題

(1) 含有碳酸氫鈣的水是()暫時硬水()永久

硬水(C)軟水(d)两性硬水

(2)熟石膏是一種(2)液体(6)粉末化結晶()境

狀固体

(3)下列物質最難溶於水的是(0)碳酸鈣(b)硝

(C)氧化銛(4)氧化鋳

(4)軟化永久硬水可用(四)煮沸法()加熟石灰

法(C)過濾法()加碳酸鈉法

(15)一種白色固體加入酸或原物加熱皆生 大量氣体此氣体能使澄清石灰水變混濁 原物是(C)碳酸鈣(b)氧化鈣(C硫酸鈣(4)碳 酸氫鈣

()

複習題+解答

(11)

COTTON REGIONS OF THE WORLD

(0) 11, 111

(d) ii, iv

(e) ii, 161, sv

7) The world's important vide expozvaru arg1",

1) Philippines

ii) South Viet-nam

111) United States of americs

Bursa

Indonesis

2. 11, 111, 19

(b) 1, 111, 19

(c) 11, 11, 1

(d) 111, LV, V (e) 11,17._V

81 "Hard" wheat "ör" wheat "with "a" high protein contens

grow boat in areas withi-

(a) long hot growing seaION`WLYR 易

rainfall

(b) long cool-winter with abundant rainfall in

#pring

(c) long hot growing sessọn wira anundant moistuPE

supply throughout the year

(d) hot summer and cool winter with ́rainfals

concentrated in winter

(e) moderate temperature throughout the year with

rainfall in winter mainly

9) Which of the following countries are major

producers of both winter and spring wheat?;

(a) U.S.A., Conada, France, Australia

(b) U.S.S.H., China, U.S.A.

(c) V.S.A., U.S.S.R., Canada, Australia'

U.S.S.R., U.S.A., Australia

Canada, Argentina, Australia,

(1)解:

Mg + HaSOe→ Mg504 24-3

2.45 ★

24·3+2+45= 2: M

x=4202 (

(未完轉入第四張第三頁)

10) Which of the following countries scores thi

highest increase in wheat production since World War II?

(a) Australia

(b) Argentina (c)·Canada

(d) Poance (6) Italy.

Answers to’this exercise will appear next weak

Questions for next week!-

A) (i) Outline the factors which influence mining

activita08.

(ii) Distinguish surface and underground mining.

What are their advantaged and dieudvantages?

B) For what reasons hae alluminium suddenly become

such an importent metal and why is the production of this metal so often widely distant from the Bourdae bf the ore?

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