頁一第張六箂:
日三十月一十年未丁磨豆
WAH KIU YAT PO
會試題預習專欄
生物科
(七)
徐錫禛
Biology. (7)
|機等等,愛棼屈位仍 公司,電話-二三
A獎等節目。獎品有無 桐中德成大
·下一种約之精采表演,抽 东乃潑同學:香港 希爾頓酒店三樓大代售鏧、發辦 會與舉行,屈時將有 之同麼地址,一一0
二第二十元,除俄
【產物一分,樊愛照(邱符同學! 潑美克一册及聖 中新鐡門門。 一元,與餘同時同 香港必打筲怡和大厦]
| 富盛外-附印刷(
【Answerartd exercise for last week Lon 7th., Dec.
Fill in the blanks to complete the following statements:
1. Pseudopodium is the false foot of an amoeba.
1987)
2. Plasmagel or ectoplasm is the external part of
protoplasm in an amoeba.
Gellulose is the substance which makes up the cell
wall.
Amoeba is a unicellular animal with an reh
Chlorophyll is the green pigment in. the plants.
shape.
6. Radicle 1s the earliest representative ofa.
Hoots are usually the portion of a plant found under the ground.
B. The main functions of a root are to anchor the
plant and to absorb water and dissolved mineral
9. Trdsh rhizome is an example consisting of modified
stem.
10. Onion xu an example consisting of modified leaves . 11 Accessorybuds are those which do not develop until
other bude are destroyed.
12. A atoma is a hole bound by a pair of kidney Kur
bean)-shaped guard cells.
13. The collective terms of petals and sedays are
corolls and calyx,
14. A stamen consists of anther and filament, 15. The carpel includes stigma, style and ovary. 16. The female organ of a flower is collectively
termed gynaecium,
17. The male reproductive organ of a flower is
collectively termed androecium.
18. The inflorescence includes flowers, fruits and
"seeds.
19. The sepals protect the flower when it is in bud. 20. A fertilized ovule of a flower later converts.
into a seed.
21. The ovary of a flower is to form a fruit.
22. The method of reproduction of an amoeba are oigary
fission and spore formation.
23.
The methods of reproduction of a hydra are and fertilization.
2u The methods of reproduction of a spirogvra are.
fragmentation and conjugation.
25. After fertilization of a spirogvra a zygospore
formed.
26. The body of a mucorts called mycellun,
27、The methods of reproduction of a mucor are sporea
formation and conjugation.
28. A process by which a green plant makes, fded -carbon dioxide and water under the presence
light and chlorophy 11 is termed photosynthesie 29. The three main functions of a leaf are for
photosynthes "transpiration, and respiration. 30. Stomata are mostly found on lower epidermis or
a leaf.
II. Matching Items. Piace the number of the term in
Column Bagainst the appropriate statement. in Column A. An example is given below
12
17
19
·Columna A
Digestive juice in the mouth.
Disease caused by lack of Vitamin C.
Disease caused by lack of.. Vitamin.Bcomplex,
Vitamin in fish-liver oil,
A food containing nitrogen. Disease producing weak limbs in growing children.
A substance present in saliva.
General name for organic catalysts. in human body
·Digestive. Juice which causes fats. and oils to form an emulsion.
Prominent among a ratbit's digestive tract but not in human's.
Causes milk to clot in the atomach.
These cover the inner walls. of the small intestine, An enzyme which splits ap Substance produced in the. body to combat bacterial. podsons.
Process of heating milk te
·about 145PF and then codline" rapidly.
The isolation of persons that have been exposed to infection. The interval between infection Mand the first outward sign or
symptom of a disease,
Those foods contain, no nitrogen.Y
Exercise for this weeks.
Column B
1. Beri-beri
2. Ptyalin9
3. Rickets
k. Pepsin. 15. Vi114
6. Vitamin D
7. Antitoxin
B. Colon
9. Inoculation
10. Rennin
11. Quarantine
12. Scurvy
13. Caecumm
14. Carbohydrates
15. Saliva
16. Vitamin A
17. Enzyme
18.Pasteurizatic
19. Bile 20.Protein
21. Intubation period
btain
22. Vaccination
I Read through the following statements carefully.
If the statement is true mark T or the statement
is false mark up in the blank of the statement. provided: i examole is given below.
Ari
1. A bara 18 a mammal.
2. A fish is a mammal.
3. All mammals are animals, but all
animals are not mammals,
Carbohydrates are any compounds which
411
11963
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|東吳大學港同學會
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12
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CITY HALL
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有關詳細辦法將另行公佈
中中會考亦一致,
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: (粤北)弭潸攆
| 艾溫來港訪問十天她聖誕 ( 1號得以英文
將就教育問題 ̈對中大提
會學同高思鮑
餐聯
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歡誕
巨日同斯幼灣有訓、
四,於今,十四,日抵港,作爲期十天之間,會發雳 風夏曼營之士,該校造 〔嘑凯♪褊敦大學躞育學院院長艾溫幼炮 籤,皆駛嚴格,各科
間。艾氏爲香港中文大學教育學院警詢委
對香黹中文大學提供建寢。艾氏留港期間
驗餓所
第三下午五時學,在香港大會堂南演欲塞作,了財報電囊雄,感触,转價將機歷令 ,除訪間各有關機構外,又定於本月十八,獨腳,地點爲中環萬秀之際牛及送好濟貧 員會委員,此行目的係就被脊上之問題,星期三,舉行聖羅笼港幣五萬餘元,對優 會,本月廿六日(驗塗設備完善,經費
陽永露點
永長腳
周徐筱錦七一一
黄廷皺德七一四九
(X~3m)(x−m)+ A (X-M) + O(X-SM)+ AD
== x24Mx+3m2 + (A+B)x− (A+38)m+AB, 比較两边传數得
A+B=4
A+38= 吧
-01)
解(1)(2)联生方程式,得A= 5,B=1,代入(3)
式題額習書酒
(七)
喬仲强·
(4)設dp笃xpx+g=0ż两根,求下式之值:
第六次預習題解答
(p-p) t
(~`~p')
數學科
(1)分解因式:(a) X*+2xy+by-4
(解)+2xy+uy-4
• (x2-4)+(2x4+44)
=(x+2)(x-2)+24(x+2)
(x+2)(x-2+24)【答)
(註)本題亦可利用配方法解之
X*+2xy-4y-4=(x+2xy+ y)
(x+y)=(y-
(a) (a+b+cy (ab+bc+ca)-alc
(解)原式=ab(a+b+c)+(bc+ca) (a+b+c)_
— ab(a+b)+qbc+c(bra) (a+b+c)− abc
=af(a+b)+c(a+b)(a+8+2)
-
=(a+b) [ab+c(a+b+c)]
=(a+b) [ab+ca+c(b+c)] =(a+b) [a(b+c)+c(b+c)]
(a+b)(名+c) (c+a) (註)本題可用对精式之分解法:
(5)
(2) (a) all m−3+2√2, 22-3-22 17√≥ 11:
(i) mn. (u) m+n (ii) M+n2
(AB) mn=(3+2/E)(3−2/E)=3+ (2/2)=9-8=1
()設2x=
(解)因 2X=4+15
自来
源式:
0元
4+6=5.
AB=4k-
(a)
) x*(2*pi*-B)+(B°xt x) (b) (x-
(解) d*(2*B* - 3)+ p* (p*d*− d) *
-d2 (£) + p2 (£)(p)
但由根奖傜關係
d*+xp+ B* = (x+B
1 ==x+ (x+f) ===B
(3)
-28)-
(5)解聘立方程式:
-(-2)
(3)
x+3
-198
代效2), X(11-x+Z)+ 3*=37
• 2 x z + 2 2 3 ) + z =
任之值
移項得
項,化簡 2xZ+22%−223-158 (3)或代入
- 223-158
45
16x+11=0
166+11x+4x-16x+1/43
X(4x2-16x+11)+(422-16x+1/)+3=
= X×0+0+3
(三)本題如果以 结果
(答)
4+15
LIBY
直接代入計算并可得其
(3)設m為有理数,求老出值使方程式
x2-4mx+4x+3m2-2m+4k=0 <#R $ $ ¥IK
(解)原方程式可化為X2+(4-4m)x+(3mm2−2m+4克)0.
X之判别式D (4-4m)-4xln(3m2-2m+4k)
-16-32m+16m-12m 48M-16t
===4m2 - 24 m +16-16/=4(m2-bm+
看x之根為有理数 則D须為完全平方,故
m+4-4元為完全平方,亦即才程式
m6m+400=〇之两根相等。
【m之判别式A=
36-16+161=0
(答)
因m2-6m+(4-4)為完全平方可由視察法得知
4克=9,由此亦可得九=-每
2. 本題亦可改為“着x24mx+4元+3
分解為两個一次有理因式,求龙之值”
故可用“待定信数法”解之如下:一
談
@_K_4mx+3m2 ={(X-M) (X−3m)
4mx+3m2+4X-2m+5克 ~am+A)(x-m+ B)
其中A.B爲常數
contain only the elements, carbon"
hydrogen and oxygen.
Bile is made in the kidneys and stored
in the gall-bladder.
The amallest blood vessels are called arteries,
All veine carry deoxygenated blood blood circulation of the
8. No digestion takes place deart.
intestine.'
large
9. Pancreatic juice digests the food as it
passes through pancreas.
Yeast is a one-celled plant that converts sugar into alcohol.
11. Fungi have no chlorophyll.
12. Moulds, yeast and bacteria depend on.
"other living or dead organisms.
13. Parasites. obtain food. from ather JJving
(解)由(1)式,
以(5)式代入(3)
姜括号移項.
:分解
(1) ± 3=-8,
50.
x=3+5
(3+5)3=24"
3*+53-24=0
3+8) (8-3)=0
3
或3
(5)
(若3=3 代入(5) x=+8+5=-3,代入(5),x= 3+5=8 代入(4).ay
-8=61代入(4),2y=11−8+3=6
:: y = 3
第七次預習題
(1)在任意三角形中註明 C=&sin A cat B+ asins cot A. (2)誕恒等式: ・tan A+ tam B
(a)
cot A+ cot B
—tan A tan8"
(b) (tano-coc 0) — 2 cc 8 — (cot 8-seco) — 2 seco
(3) △ABC中,AD為∠BAC之平分线着BC=3.4吋,<8-123
<C=31°20'求 AD之長
(4)由200呎高之崖頂測得A,B两船的俯角满15°及
11°30′設A船在崖之正南,B船在南偏西40求两船元 距離,又B船在A船之何方位?
(5)(0)証明△ABC的面積 A and {cos (B-C) + cos A}
(f) $4 s=8 Jof, BC=5 of, <A=5; 求<B.<C的度數 (6) \$ A+B+C=T. EBA
sin+sing + sing = 1+ 4 sin I sin in the
things.
14. Saprophytes live on dead organic matter 15. Fungi perform no useful function in
ha ture.
16. All infections diseases are caused by
bacteria.
17. Most bacteria are either harmless to man
or useful to man,
18. Sterilization means the killing of
bacteria by heat,
19. The gall-bladder is in the liver. 20. The greater part of the himan body 1s
made up of water,
11. Give a full descriptim of the methods of
dispersal of fruits and seeds with one example for each.