報日僑華
買二第張四第日三廿月正年辛复 WAH KIU YAT PO
1971 英文中學會考試題預習專欄
PRESS
新光出版社主編 SUNLIGHT
生物科
BIOLOGY
LESSON
8-2-1971.
Key to
Son 16 Exercise 15.
7. A:
33.
8 F
[14:
D 9. C
12. S
15.
1971 英文中學會考試題預習專欄
WASINA DEŇ SUNLIGHT PRESS
化學科
(十七)
CHEMISTRY
(1-E)
LESSON SEVENTEEN
ANSWERS TO EXERCISE 15. (151) D (152) 8 (155) (a), (b)&(e), (158) Q
(153) Ρ
(156) P (160)
(154) (2), (c)&(e) (157)
EXERCISE 16
(161) Sulphuric acid can be manufactured by using contact
process.
Sulphur dioxide is oxidized to sulphur trioxide
by the oxygen of the air with platinum or vanadium
pentoxide as a catalyst. The acid will then be formed by the trioxide and water.
In general,
there are four stages.
四期星日八十月二年一七九一曆公年十六國民華中育教僑華
VRECKE.
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BAD BARNREGS [FREE+HCHO X** BORSTENCILED 當西海軍村舉行。鬱師擔,高市監聽,聖土,给大家之倒楣四,交 IT | SEARLEX-PE EVERYTKI
CEDARES CELRUISEG JEAN-AKTEMU.
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認法
E
GER KAJ KEE
EXERCISE 16
Deficiency of iron in a balanced diet may result in a particular disease known as
rickets... G. goitre
Banaemia
D. pellagra
Osmo-regulation is the process of voiding excess water so as to
A. keep the body cool D. maintain a correct B. help removal of soluble osmotic pressure.
nitrogenous wastes F. keep the cells flaccid C. help removal of faeces
Proprioceptive organs are those found in muscles, joints and semi-circular canals functioning for the sense of
A. hearing C. pressure E, pain
D. position ··D... temperature
4. The purpose of adding flourine to drinking water is
A. to kill bacteria D. to help digestion.
B
to make the water tasty to prevent tooth decay,
C to remove some unwanted
minerals
Some vitamins are water soluble and some are fat soluble. The former collection includes
AA
B B
C. D
D. C
Germination of corn grain involves the following events:
1. digestion of food in the endosperm
2. imbibition of water
3. emergence of plumule
• emergence of radicle:
5. emergence of adventitious roots,
The proper sequence should be
A. 1, 3, 2, 4, 5.
B. 1, 4, 3, 5, 2
Di EL 2,
€ 2, 1, 4, 3, 5
The secretion from the prostate gland of the male reproductive system in the mammals functions
1. to activate the sperms.
2. to stick the sperma together to form a sperm mass,
3. to provide nourishment for the sperms
4. to provide a medium for sperms to swim"
Which of these alternatives is correct?
A. 1, 2 and 3-
B. 1, 3 and 4
C. 2, 3 and 4
D. 1, 2 and 41
all of them
The structure dividing the trunk of the mammals into
2 cavities is called
the peritoneum
B. the mesentery
D. the pleural membrane
E, the diaphragm
the pericardial sembrane
9, The volume of air inhaled and exhaled, in a si
breath is called the
tidal air
D. residual air
B. complemental air E. vital air
supplemental air
10. The volume of tidal air when the individual.
at rest is about
200 6.0.
B. 500 cc.
C. 250 0.0.
Cilia are found in..
Q
I
nasal passage
trachea
alveolus
D. 1,000 cic.
E. 1,500 c.C.
S. kidney tubule
T. oviduct
Which of the above is wrong?
The controlling centre for the rhythmic movements
of the respiratory parts is
P. cerebrum
5. medulla oblongata
O cerebral cortex T. spinal cord
R. cerebellum
13. Caisson sickness results from the air which dissol
in the body fluids. It is the
P. oxygen
Q. nitrogen
R. carbon dioxide
S. oxygen and nitrogen
T. nitrogen and carbon dioxide
Teeth in man are developed from tooth buds commonly: known as
P. odontoblast
Q. haemocytoblast
R. osteoblast
chondroblast
cridoblast.
Trregularity of the corneal surface of the eye leads
to
P. far sightedness S. astigmatism
Q. short sightedness T. colour blind
R. long sightedness
(a) Purification of gases (b) Preparation of sulphur dioxide. (c) Conversion of trioxide to acid (d) Conversion to sulphur trioxide
The correct order of the four stages is
中文中學會考試題預習專欄
(A) (a), (b), (c), (d)
(B) (a), (b)
(D) (b), (a);
(E): (d), (a); (b),
數學科(十七)張正邦 第十六次損題解
13
(C) (b), (a), (c), (d)
(162) The effects of factors on the process aret
(a) Effect of
of temperature
(b) Effect of catalyst (c) Effect of pressure: (a) Effect of volume of (e) Excess air
The four effects are:
(A) (a), (b), (c) and (d) (C) (a), (c), (d) and (e): (E) (b), (c), (d) and (e)
(163) (a) Conc. sulphuric acid's
(b) Itidecomposes at map. 200
(MX) *k a = = =k
{{1}}k a=b=C÷d_♬ abfcd
++と比例中項
13 a=bk, C=dk
ad == ----(x)
Mil) ita abted 18 ab+cd-bk+d2R
B
(e) and (e
(d) and (e)
ab+cd=k(b+d2) --l 以口) 代入ab+ted得
about 1.84
(c) It reacts as an acid (d) It reacts as an oxidizing agent (e) It reacts as a dehydrating agent
The properties s of sulphuric acid are (A) (a), (b), (c) and (d) only (B) (a), (b), (c) and (e) only (C) (a), (b), (d) and (e) only (D) (a), (c), (d) and (e) only (E) (b), (c), (d) and
only
164) Hot conc. sulphuric acid is an oxidizing agent, for
supplies oxygen to or accepts electrons from sub- stances; it is reduced to
(A) sulphur trioxide
(C) hydrogen sulphide (E) hydr
(B) sulphur dioxide
(D) hydrogen sulphate
(165) Glauber's Salt, i.e,, hydrated sodium sulphate.
The required formula is
(A) Na2SO • 2H2O
(c)
(E) Na, 50 × 10.HO
ated by
(0) Caso • 2H20 (s) Caso
(166) Gypsum can be
(P) Ca50
(R) CaSO
(T) CaSO 10.H2O
(167) To test for sulphuric acid, we usually add dilute
(X), acid and barium (Y) solution. A precipitate will be formed which is (2) in colour.
Where
(P) X nitrics. Y nitrite; Z=yellow
(0) X hydrochloric; Y » nitrite; Z - pale-yellow
Xhydrochloric, Y nitrite; Z= brown (S) X nitric, Y - nitrate; Z = white. Xnitrics Y nitrate; Z - gr
NaCl in cubes.
(168) (2) 46 stallizareas very rapidly at high
temperatures
(c) Pure sodium chloride is not hygroscópic
(d) Ordinary salts contains magnesium and calcium
chlorides as impurities.
The
sodium chloride, are
properties of so
~(P) () and (c) only
(Q) (a), (b) and (d) only, (R) (a), (c) and (d) only (S) (b), (c) and (d) only (T) all of them
(169) (a) Hydrogen chloride is a colori (b) It has a pungent smell.
(c) It is very soluble in water,
(d) It extinguishes a burning splint.
(e) Its V.D. = 18,25
The properties of hydrogen chloride are
(P) (a), (b), (c) and (d) only
(Q) (a), (b), (c) and (e) only
(R) (*); (b), (d) and (e) only (s) (b), (c), (d) and (e) only
All of them
abted=at&
ab&cd= *(97c)-(4)
(3)×(4) 得
(ab+cd)=(b+d2) (a&c2). Œx brd2 ab+cd=ab+cd
..a2+c2
(<)=x a=b=c=d Al] Ja +√6:
√a+b= √ + √ √c+d
(47) a:b=cia
Qect18 (+b b=c+did
Ja+b = √6 = √s+dvd
Ja: Jb.
Je va
13 √a +√b √6 = JC + Jd Ja
bx ja+Jb Ja+b=JC +12 Jeta
(3) 148 2x3-3x2+2x+2=2x
-3x2-2x-2=3x3-x+10X -26:3×3-x2 - 10x+26 (鯖)由合分に得
4x2-6x=
4x+4
· X2(2x-3)
X+
202-52
x2(3X=0)
x2((2x-3)(5X-13)~(x+1)(3X−1)}=(
X2(7X-43X+40)=(
X2 ( X −5)(7 X −8)=0
13 X=0.05 =
(4) ✯ Y NA X ♫ * &X=5
P3 Y=-2 & X=7 == Y ¿ 值若何?
(#2) 32 Y= CX
x=5
13
EP
* X
(5)設y膸×正晴子
K
3=293
y=
-72 函數 凡二量相關,甲運定後 乙量也隨著確定,則乙量是 -53 15 40 {(x) = x2 3 →
#] f(x) = −2.
~ x=0; f(x) = -3 \ x=1. 関数的表示法! 如工×蓬詔興同形如×之 切項之和,若說火子為 **<* W] zx = x + y +} & Z x = x2 + y2 tg, qj zxy
例えば對稿数
= (+)} + (8 + 1) X + (3 + x) y
對桶果
?z y ? jy?z?x",
+82(x-4) Da
設時原式為。故 1-4 Jmant. Ep x-y 淹形式的图式,同理念式亦 可被(1-3)及(一)除逮。
z X3 (4-3) 14 (3−x)+3(x-9) = k(x-4)(-2) { } − x} {(x + y + z ) ⇒ x=0, y=1, 3=24^ 19.0+(2-0)÷8(0 −1).
K(0-1)(1-2)==0){CH
-6=64
DX x3 (y-3) + y23 (8-x).
+83 (x− y) = −(x-4) (u−2)(8− )(x+Û22)
第十七次預期
(祈下列諸式的因式,
(1) 43 (4-3) + 3x (8-x) + x} (x-4)
:(!?) X (y-3)2+y (8 ~ ×) + d(x−4}*
3);"(4=z")+y"(8=x")+32 (x=y)
(4) (1+ y + z) _ x __ yz 2
(5) a
(4-6(00)
(4-6MG- (XX- 0) 16-346-2)(x-1)
(170) To test for hydrogen chlorice, we notice the following:
The gas foros misty fumes in air. It turns litaus (X) and fores (Y) fumes with ammonia. It also forms a (Z) precipitate with acidified silver nitrate solution. Where
(P) (X) red
(Y) yellow; (2) pale-yellow
(Q) (X) neutral; (Y) yellow; (Z) brown
(B) (X) red
(5) (x) blue (T) (X) red
; (Y) white; (2) brown
(2) brown (Y) white; (2) white,
(Y) white
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