1968-01-17 — Page 23

17 JAN 1968

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21. Jolution

(a)

英文科(十二)

王挺生

TEST 11

Time allowed #: 25 minutes.

If there is one word in each of the following groups.

which does not rhyme with the other three words.

write it in the space. If all four words rhyme.

write X...

(a) raced.

walet

taste,

(b) peas,

geeae,

knees,

(c) roar,

sore,

pour,

nest. pleases (b) door.

height,

sight.

weight

ache.

cake,

f) wait

late.

weak.

eight

bite,

break, great,

2. Write the correct form of the words in brackets

against the numbers in the margin.

Once there (1, be) a princesa. She (2. o8ll) Алл. The Princess Ann Loved (3. hide). She bid to the garden and her friends came and (4. find) her. Then her friends hid and she found them, love) hiding and (6. be) found,

The Princess (7. grow) up. facner, said, "You amat be married.

you want to marry?"

The Princess (8. say), "I want to marry a prince who (9. like) hiding and being found, and (10, find) me when I hide. I will marry the

le prince who can find me when I hide."

She (5.

The King, her

Thich prince do

Physics (12)

Coefficient or linear expansion or a solid is not specified that the original length of the material should be measured at 0°C. Owing to the smallness of linear expansion of most substances, it makes very little difference to. the result of expanding from 0°C or at room temperature,

In the case of gas, the expansion is very much larger, the value of the coefficient of expansion depends on the starting temperature. which is 0°C.

Lb) When the flask 18 submerged, gas inside the flask contracts (Gas Law). This is the main but not the sole reason why water enters the flask,

Some gas may disgorve in water and according to Boyles' Law, atmospheric pressure exceeds the pressure inside flask. These halo water to rush in the flask also.

Boiling water

三期

日七十月一年八六九一曆公年七十五國民華中

This is the coefficient of expansion of gas,

19) At S,Tif,

Vol. of 0 *Vi

Pressure of O2

Temperature of 0

A 20°C

75 cm. of Hg

(0 - 273)

Vol, of 02 - 1000 c-0. Freasure of oxygen" " Temperature of oxy

By Gag Law,

767

273

72"x1000

293

fig

(20 2731-

72 x 1000 x 273

293 x 76 x 1000

Density of oxygen - 1743 gm./litre

Mass of oxygen

·72 273

*** 1,45 * 1.262 293 x 76

Aris. The mass of the gas at S.T.P. 15 1.262 gm.

22. (a) British Thermal Unit la defiried as the quantity

of heat required to raise the temperature of 1 pound of water through 1 deg, F. Thermal capacity of a substance is defined as the quantity of heat required to raise its temperature by 1 degree.

Water equivalent of a substance is that mass of water having the same thermal capacity as the substânce.

(b) since Ø - mse

where 7 is the heat quantity.

„For" wa ter

is the mass of substance 13 the temperature rise

• 1 deg, C.

Dry air

For concrete

83

(10)

3. Choose the best word to go in where there is and Write the NUMBER of the word in the space, on the right. Do not write the word.

(a) She was swimming X the pond.

fal

1 inte, Z, on, 3, in, đi tới

(b) Henry has to look X his sick sister.

(b)

1. on, 2. for, 3. at, 4. after

(o) My book is different X yours.

(0)

1. to, 2 with, 3. from, 4. astroén,

(a) Henry stayed X home yesterday,

(a):

1. in 2. into, 3- under, eine

(e) The hunters had walked. I ten miles. (e)

1. in 2. for. 3. to. 4. from.

4. make the following into questions

David is the cleverest boy in the class.

Mary has just come in.

(o) He had had an accident.

I shall see then later.

She can finish the work in five minutes.

5. Underline the right anever in the brackets Be stayed here (few, a few) days.

You are (older, elder) than David.

ice-cold

Water

A dry flašk or capacity about 200 c.c. 18 fitted with a cork, tube and clip as shown in figure. It is heated for a few minutes in bath of boiling water and then closed the clip, The Mask – 19. then submerged in ice-cold water- (0°C). The clip Essened snderwater, adjusting at the time, the pressure inside and outside by the level of water. The clip is then closed. The flask 19 renovéd from water, and the p remaining volume of air (V) is measured oy adding Water from a burette or a measuring cylinder until the flask 18 full, The volums of hot water the flask holds originally is found by pouring out the contain into a moasuring cylinder (V). Thus,

WONGKON

There are (many, much) applee on the table. She wants only (little, a little) meat, They planted (nuch, many) rice.

6. Underline the corrent tenses of verba in the brackets {a} The wind (blows, blew, hàs blown, is blowing) when

I awoke..

(b) She (vanj ia, has voen, vill be) absent from school

for tué saaks.

(e) Keep quiet of I (sent, shall seng, have cent,

send) you to bed.

1ert, Isave).

(a) It did not rain after wo (left.

ve left, had

(e) Bings I (come, anali come, nave oque, dame) to

stay, I have met lots of people..""

(f) I wonder whether you (have duan, wh11 000, BAW

had seen) him today,

(g) That boy (makes, will take, la making, has made)

uch progress recently.

(h) 1 (pay, paid, shall pay, am paying) you if you

give me a receipt.

(1) Yesterday, after we (had, have had, had had. are

having lunch. we went out.

Turn the following sentenges into Indirect Speech

The girl asked me. “Tho is your father?”

The captain said. "We must stay here."

Peter said. "My mother is writing a letter.

The teacher said to the pupil, "Do you know the Reaning of this word?"

"Are you coming home with me?" she asked.

Choose the best word to go in where there is an X. Write the number of the sordin the space. NOT WRITE THE WORD,

(a) He was I becsues ne was going to the cinema.

1. øreiting. 2. excited. 3. excuged. 4. examined.

{*} # must make a

of your name " #618 the police.

1. letter. 2. mamber, 3. nota,

(a) They went to X on the beach.

1. avim, 2, sand,

spelling.

Volume

hot water.....V C.C

Cold water ...Voc.c. Difference

c.c. of air.

He used to live X London. 1. at

2. in. 3. on.

Hot

Fold

for

Vox 100

He had a loud X. 1. noise. 2. sound,

voice,

Speech

Complete the short answers to the questions. Examples Is he waiting?

Are you going for a walk?

Were they at home?

c) Is he a clever boy?

Yos, he

(a) Yes,

Yes.

10.

(a) fen,

(e) No.

(d). You live in Eowloon, don't you?

(e) You don't live in Hongong, do you?

in. Read the following carefully.

BY

å nest of ants had been very busy all through the summer and the autumn. They had been looking for food and keeping it for the winter. They carefully stored all their food in the wonderful underground.room of their home,

Then, when the winter came, they had plenty

ar rand to, est.

One cold day a grasshopper, who was almost dying of cold and hunger, osme to the ant hill and begged the

ants to give him a little. One of the ants asked him how he had spent his time during the ofoner, and whether he had seTON up anything for the winter. He replied, "Al881" apent all my time singing, playing, and dancing and never once thought about the winter."

The ant answered, • "Then we have nothing uG. give you. People who played all the sunnar muat be ready to starve in the winter.” Underiina the chant word in each of the Following bracketa #

Tha ants Had been very busy (12 through the " summer and the autumn, all through the spring

Ε

For iron

The same amount of heat 18 given to the concrete surrounding and the iron tank. Temperature rise in concrete is much higher since its specific heat is and that of water is 1. (The answer of part (8) helps to explain this)

Through the iron tank has a much emaller sp.nt., it is a good conductor of heat. Its temperature will be the same as that of water..

Lona for next weeki

(a) Sketch a volume-temperature graph to illustrate

the changes which occur, when a block of ice at -10°C is heated to 10°C. (b) Describe how you would determine the latent

heat of steam with a beaker, a conical flask, water, tank stopwatch, and a bunsen burner in laboratory.

(a) Steam at 100°C is passed at the rate of 10 g,

per min. into 320 gm of ice-cold water. Calculate the time taken to heat the water (1) to 50°C, (ii) to 100°C.

24. (a) Distinguish between evaporation and boʻling.

(b) Explain what is meant by dew point? (c) Describe a simple method of determining the dew point of air in a room, What effect, if any, will there be on the daw point (1) if the temperature of the room be lowered, (11) if a quar Sity of water be sprayed into the room?

and winter, all days and nights, all morniDËS and afternoons).

(b) They had been looking for (enony, water, food,

friend) and keeping it for the (night, winter summer, weekend).·

(c) They stored their food in the wonderful (under-

sea, underway, underneath, underground) rooms. of their (hole, home, classroom, field),

(4) The grasshopper came to (ask, rob, bag, beg), the

nate to give him a little food to save his (wife, sons, life, live).

(a) The grasshopper did not do (any, Home, many

much) work in the summer.

(1) The grasshopper (sing, cang, sings, sink),

played, and fate, read. danced, drank) during the summer.

(g) The ants did not give the grasenopper (something,

nothing, anything, everything).

(b) The grasshopper would (died, hungry, dry, starrs)

then.

(1) The opposite of save 18 (safe, saved, water.

waste).

Answers to TEST 10

1. (a) kás, (b) have, (c) ought, (d) must, (e) could. 2. (a) he did, (b) he fan't, (o) I have, (d) he will

not, (e) I do."

3. (a) with, (b) as, (c) of, (a) to, (e) in, (f) with

(s) to, (h) from, (1) among, (1) than.

4. (a) We can run as fast as the policemen. (b) Havu

the knives been used? (c) They gave good advice. (d) *hean booke were cheap,

(a) very fast, (b) book is this? (0) we were going. (d) so clever as Chan Sing, (e) the hospital daily, (r) you have rinished you can go, (g) then wae very difficult, (h) we could do to help

ä, (b) a, (c) any, (d) the,

(a), (b) suit, (c) X, (d) the (or him,

(f) an,

(a) Thursday, (b) train, (o) less confortable, (d) Lai Chak, (8) Pak #ai, (f) forty-five, fză Tairo. (g) unexpested.

9, đó, tới of, oannct, on

10. (a) eum, right, (b) moon, noon, (c) noir,eyes, (4)

rest, nest, a) feels, fills.