1989-04-24 — Page 30

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中華民國僑務委員會頒發登記證合教新字第一一八號

B

# W

;

三車東廊連環相撞

:119

日九十月三年巴己曆草

1989 中學會考預習專欄

明德出版社

MILL & DALE PRESS

Biology (30)

A. Cheuk

TEST TWO

1. The diagram below represents cycling of carbon in nature.

the

Flats tri co

decurposes si

In mos

(iv)(1)What is the ultimate source of energy for the cycling of carpon in nature?

(2)4t which process is the energy

trapped?

(3) In what form. is the energy

stored?

(v)Explain why the amount of carbuit

incorporated

2 young COW through process C is greater than that released by process. B.

2. During an experiment to observe the growth of a plant, the dry weight -was recorded from the time it was a seed, a seedling, an adull plant to its death. The result is showe below.

Carber Canp

In grean facts

(1)(1)what should

diegram?

X

be in the

AN

(2)What is the reservoir of X on

earth?

(11)Name the processes A, B and C.

of carbon

(iii)The concentration

dioxide in The air 785 been increased during the past fifty years.

(1)Which processes is likely

responsible for this? (2)What is the harmful effect of

such increase 07 our living environment?

1 1

DEL

*Vonths

(i)(1)What process was carrying cut

in January?

did

weight (2)Why

tho dry decrease during this period?

(11)(1)In which worth did the plant carry out rapid growth? (2)Why did the dry weight increase during this period? (iii)Suggest two enviromental factors

that

Cause may

the rate increase of cry weight to slow Cown in september (autumn).

In the figure, AF = 6./3. · {A3D=20°, LADB = 90", ZCAD = 90°, CD =

A. 2/3

8. 3√3

C. 43

D. 3

36019 #

3. The diagram below shows part of plant root (i), and part of the wall of the familien small intestine. (The parts are not drawn to the same scale.!

1. Part of root

เ

11. Part of masmalian

small intestine

(1)Name structures X and Y. (ii)What is the difference of X and Y in respect of their level of organization?

(iii)What are the common features of X thenr and Y with respect functions?

LU

(iv)Name the processes that are responsible for the passage of materials into X and Y. (v)State two substances which

(1)pass into both the structure X

and Y.

(2)pass into structure Y, out not

structure X,

一期星 日四廿月四(九八九一年八十七國民華中 ( 30 )

(vi)Describe the processes involved

for the nitrogen of peanut to be absorbed by

(1)structure X of a flowering

plant.

(2)structure Y of man.

Solutions:

1.(1)(1)Carbon dioxide.

(2)Sea is the reservior.

(11)A: photosynthesis

B: respiration C: feeding

(iii)(1)Process E.

(2)87

greenhouse increase in atmospheric carbon cicxide tends to result in an increase

effect,

an

atmospheric

temperature.

ח

This may load to melting of the polar ce caps and flouding of coastal cities.

(iv)(1)Solar energy.

(2)Process A. (3)Chemical

molecules.

energy i11. fccc

(v)Some of the carbon incorporated is accumulated as the body substances during the growth of the young

CON.

2.(1)(1)Germination of seed.

10

(2)At this period, the seed was incapable of photosynthesis; it oxidize its four storage rolcase energy for germination. as results in a decrease in dry weight.

16.2abe?

is the H.C.F. af

22.The Straight

Lines

4abc and

ax + y += 0 and px+by+r are parallel to oduli other if and only if

A. a2bc1

B. 5220 c

A.

B

1989 中學會考預習專欄

明德出版社

MILL & DALE PRESS

E. 6

8. 17 6tan20 - 4sin2 = 1 and

0° @ 180°, then 9 =

2.9

D. 8ab2c

E. 32abc?

1.3

17.-(-

(ii)(1)June.

(2)The plant carried out active

photosynthesis.

(1)In autumn, the lower temperature and shorter day length (or smaller rainfall may cause the rate of increase of dry weight to slow .down.

3.(X: root hair

Y: villus

while

Y

is

(ii) is unicellular

multicellular. (iii)Both of them have large surface

area and thin wall. (iv)Osmosis, ciffusion and

transport.

(v)(1)Water and minerals.

active

(2)Glucose and amino acids. (vi)(1)The protein molecules of peanut are first decomposed by the soil bacteria inte nitrales which are then absorbed into structure X by diffusion and active transport.

(2) The peanut is first broken down Sinafler mechanically into pieces by the chewing action of the teeth and churning action of the stomach. The protein no ecules are digested by

cnzymes

intestine

which are

amino

the stomach and inte

acids. Chen absorbed into structure Y by diffusion and active transport..

32.1n a group af 78. students, each takes either ohysics or History or both, 49 of thien take Physics, 13 of them take both subjects. How many of them take History?

A. '6

8. 29

C. 42

D. 45

E. 55

33.If "(x) = 3x2 - 2x + K,

value of k if f(2) = C.

A. -2

B. -4

C. -8

D. 2

CNS 150° then

£. 8

A. 30 or 120°

Mathematics (30)

B. 30 or 150°

C. 60° or 120°

8.

0. 60 or 150°

W. K. Lo

E. 30 or 60°

C.

Exercise 30:

D.

Revision Multiple Choice Questions (3)

1. if x men can do a

9. In the

where e, R

+ r

ive real numbers and

integer. As

n

A. 9

共

b. 68 - 1

((곡) -.-1

圖

If the inclinetion of the straight line sx +

A.

job in p days, then xy men can do the job in-

increase

decreases.

8.

A. p + y days

By days

C.

XP

days.

y

increases.

remains constant.

reases and then decreases. ecreases and then increases.

18.The length of the hypotent ses of a right angled triangle 19 12 cm are the sum of the other two sides is 15 cm, the area of the triangle 13

A. 18 cm2

C.

B. 28 cm2

0.

£.

10.

C.36 cm2

34.If f(x) = ((1+15;

chen (2) is equal to

A. 5

B. -45

C. 45

D.

E. O

find the

D. days

E. (p +

days

2. IF log a log y, then

A

B. ay

C. 10%

D. - 10"

10

E..

3. Selve the simulataneous inequalities

X < 0

A. -3 < x <3

B-3x < 0

C. << 3

D. x ( 3

E. x-3

In the figure, AB is the diameter of

and PORS .the circle, WXYZ

D. 56 cm

E. 28 cm

19.A semi-circle is bern into the form

of e circular

cone. The vertical

angle of the cone is

A. 30°

are

B. 450

C. 60°

D. 75°

E. 90%

squares, find the ratio of the area of square WXYZ to the area of square

20.If a > 0, b and c < 0, which of

24.Which of the following represents a

circle?

·A, x2 232 - 2x 4y + 6 = 0 D. x2

- 6 - 0 **+ 2x + 4y -

1)2 + (2y-12 =

D. (2x - 1)? (2y + )

F. (2x-1) + 4y

25.1f2xy

x2- xy

is

*3y

10y2

A

135.6 red balls and a white ball are put in a box. A and B draw a ball turn, A draws first. If the balls. drawn are not replaced, the chance that A will get the white ball is

IBRARIES

ONG KONG

KONG

In the figure, x =.

A. y + z

B. 90 - (y + z)

A. 3 1

or

the following

75 Che graph of

ex. by + c = 0?

C. 3-1

Gr

A.

PUBLIC

8.-3: 1

D. 1. 3 CT

f. 13 or

D.

[.

27.The first term of a 6.P. is a and the infinite sum of the G.P. is 32, the common ratio of the G.P. is

C. 90 + (y + z)

D. 90 - (y + z)

A.

B.

C.

1}.

F.

36.A coin is tossed four times, the probability of getting at least two tail is

A.

8.

C.

D.

The figure shows part of the graph

of

A. y = 3sín x

By

3cus x

C. y 3 - sin x

E. 180 (y + z)

12.The area of the largest triangle

that can be inscribed in a semi- circle of radius r is

A.

D. y

2sin x + 1

E. y. 2cos X÷

B. r2

C. 2r2

5. If 0 0 90 and sine - cos 9 =

D.

then sin 9+ cos @

0./

The figure shows the graph of

A. y 2sin(x - 30)°

B. y = 2cos(x - 30)°

C. y

2sin(x + 30)

D. y 2cosix + 30}°

E. y. sin(2x --60)°

13.The roots of the equation ax2+bx+c=0

will be reciprocal to each other if

A, a = b

8. a = bc

C. c = a

D. c = b

E. c = ab

14.Consider

*** + px + C,

if the

minim value of y is zero, ther

=

A. O

BP

C. -2 P

D.

E-9

15.If xx

then

A. A = 1, B = 1. B. A 1, B 1

T

is an identity.

B.

**

In the figure, EF//BC, DE//AB and BO DC1: 2, the ratio of area

of A DEF to the area of a ABC is

C. A = 1, B = -1

A. : g

B. 2: 9

D. A =

B

21

2

C. 2: 18

E. A = @=

D. 4: 9

E. 2: S

A.

1

8.-

[..

D.

3

ť.

28.1f a and b are positive numbers, a, x. are in A.P. and a, y, b are in G.P., then which of the following must be true?

A. x > y

B. x < y

C. xxy

B. x x y

E. x = 7

√ √20 + J12.

37.Simplify

.$ - 43

A 3-15

B.3

5

C. √5 - 3

D. 3

t. 2

In an examination the mean of all the marks was 40 and the standard deviation was 10. The meres were adjusted so that the mean because 55 and the deviation becaire 15. Answer questions: 38-40 according to the above information. 38.The adjusted mark for 20 is

A. -2

B. -25

C. -30

29.I log 2 = n and log 3 b.

log 24 =

A. 3log a log b

B. log ab

C. 3ab

D. a3b

E. 3a + b

Then

D. 2

E. 25

39.The adjusted mark for 55

A. 1.5

B. $5

C. 65

D. 70

E. 77.5

30.The remainder of f(x) when divided

by (ax + b) is given by

A. 5(E)

-40.Find the original mark which!

corresponds to the adjusted mark 85

A. 2

B. f(b)

C.

D. (-)

B.:10

C. 60

D. 85

E. 122.5

E. F(-

Answers:

6 31.Find p. if

divisible by x-2.

A. -2

4

1. C

. 2. E

3. B

+ px-

+ 100 ís

6. C 7. D

8. B

4. F 5..8 9. B 10. C

11. D

12. B

13. C

14. D. 15. C.

16. C

17. B

18. B

19. C 20. D

B. -45

21. B

22. A

23. C 24. E

25. A

C. 80

25. C 27. C

-28. C 29. E

30. E

D. 100

C. 180

31. B

32. C

33. C

34. A

35. C

36. E

37. B

38. 39. E

49. C