1965-01-07 — Page 22

日五月二十年底平氣式

華僑教育

(509960) u_+0_-10 (80+ 1950)-980 10.

九六五年度劇

題預

生物科

(五)

蔡克巴

BIOLOGY

1965費中文中華會試題預習專欄

综合 程式

10000.a.

西式之结果得一元二次联三方

50-V

5.000

78000000'

1901 JER hip/B00008: 10

物理科

(五)

·陳樹邦:

物料假想試卷二(續)

几部

物膤運動時質量速度信楽 稚松動量、

280 */ 17

物理科假想試惷シュ(カ学)

11 π PJs at the #fix (Atwood's Machine).

冲

Answers to exercíssa of laat, wash

1. The diagram, below represents the Rabbit's alimentaryfoansä

·Varið, associated structures.

(1) Nase parts A to T.

A. houth

E. Salivary gland H, Stomach

B.Pharynz

G. Vesophagus

9.Huocal cavity. C. Tongue

F. Larynx

1. Gall bladder J. Bile duct K. Duodenum. L. Pancreas-, M.Pancreatic duct Afleum

10. Sacculus - Katundus k

P. Appendix 'S, Rostuam.

Q. Caecus) ↑ ↑1. Anunt

(11) The organ 'E' ancretes a fluid called saliva which contains mucus and an enzyme called ptyalin. The action the enzyme is to change starch and zlycogen inte paktOJE,

F拎一物體,經大時間後, 則心力5時間的乘積務為衝量

在右图:

斜面中

即 FM

以

Fema

即物體所見之衝動量転增加

目動量為向量設計算时需注

則5地线

仅設捧痂打球之平均力3F 在米被擊中前的動量

我被擊沖後巷=++x48

則由動

增加衝量的關係一

趴

Eṭ = {^48,-(-¤×8°)

^ 37 - — 115 >— (-25) ~ = 40 + =115-(-25)--40

雷一系统不受外力。

知傯動量保持一定值,比移動量 不滅往

設槍彈射入不振 的一剎)間,木板

(塊未被槍彈

Lu):50_G + 9950 #0 = (£o+95o}M

式中山為槍彈,建设

木塊被擊中後,一開始

(如有图)向上昇,愈开

由能量不滅原理

H

优塊在B关時之動能住能之

升中指南 算術科教材

今日在麗的呼聲播出

摩擦不算

0 25 30

A 10 = 14 350 2

質量為50克,

B物之質量為80克

則 B物必沿斜面向

速度為

(3)單抿 週期與

4 # 9 98.0

̇的算擺耳週期停

運動

1

無。

比

秒

在

12

让單搖振動時,捐錢在

能最大汤動能最

置時佐藤

最大

【拾一物體的 過該物点

·力於物體,則所李生力矩的大小

積

天干平行力同時作图於一物體而使該 物平衡不勤時,該导一行力常適合

刘西條件

况,有一场白术择,长1米,重我先在

其一端縣0克之物,阿克然应在

(一)

加西大小相子,才向相反而不同在一直 力拉一物體,则此两平行力度

∴能使物體发生

出,在不同的槓桿至各教例 “山就述物件:三豫中衛狀息一 (二) 試述一隻验求一不规则物體重心的

位置

用一场的“扬翼做成一时此 正方形;面對角線將,分成四個主角形 今將其中一個三角道如何 求得殘餘部分重心之位置

三平板,其半径

一切

為15厘米,看切王一 拎园板西丰经馬上重案 三小国板,求其殘餘部

三重】

2. Give an account en dispersal or seeds and fruits,

The primary function of a fruit is to protect the seeas and mosfèu da their distribution so that when they germinate they will tavo better chance of survival, for they are saved, to a large extent, from competition with the parent plant and such other The chief agents in the dispersal of fufts and seeds are wind, anime is and water and explosive mechanisms »

Many aneda either separately or still enclosed within the the fruits, RE scattered by sind. They are small and lights,

o that the way easily blown away. Weg. orchids.

The ceneer mechanism as a means of dispersal is well shown by the poppy. The capaule is at the end of a long stalk. When the plans, aways in a high wind a few seeds are shaken sut at a time.j

- In order to increase the buoyancy -

in air, aseda and fruits may carry

parachutes. In Dandelion the feathery parachute of the fruit da modified from the calyx whereas in Clematis it develops from the style. Seeda/ such as those of the cotton and Strophanthus may also bear hairy. parachutes.

Some fruits and seede bear wing: like extension to help dispersal by by wind, in case of fruit such as Sycamore and Pterocarpus the wing' develops from the pericarp. In case,

of need such as Gordanis it 18

the toasa modifies into wing".

of hairs!

helys))

FRUIT OF

DANDELION

Adaptations for dispersal by water scour chiefly in plants growing in or near water. The fruits of doconut "are firboüş, con- taknong air and can float. The seeds of water lily have air spaceB which enable them to be carried away by current on water surface.

Seeds and fruits may be dispersed by being eaten by animala or by adhering to them. Fleaty fruits such as tomato may be eaten, Its seode passed unharmed through the alimentary cunal of the aminal,

Some fruits such as plums whose fleshy part 16 eaten but the seeds are dropped.

Hooked fruits such as Diden.

or burdock attach to animela prasing

"by and come into contact with than

The mud containing seeds may ·

atrach to the feet of any anima

walking on it and thus dispersed.

CAKYK

OF BIDENS

E.. seeds of grass. Accidentally animals hiding up fruits for food may forget the staring place. For instance nuts stored up by squirrels may be forgotten and germinate when condition La favour able. The most important means of dispersal by, animal is by human effort through shipping, forestry and farming.

When some fruits dry up, tensions

set up by the drying process. When, the wall splits, needs are jerked away from the parent, In viola the capsule splits longitudinally into three concave valvės, which by their contraction flick out the smooth, slippery aseda to considerable distance. In geranium the style, which the carpels remain attached to the carpophage, suddenly curl

CAPSULE OF GERANIUM

•VALVE OF

PERICARD

upwards, so as to throw out the needs.] EXERCISE OF THIS WEEK.

-CALYD

L Describe with diagram the respiratory system of a marmax.

2.How does the ventilation movement take place in ́a mammal7

15

210

15

105

時間T

上午十時四十五分至十

下午六時十五分至米分

第二十劉三 ·分號的種類及化

我除數去除技躁數,所得的不足數1,不知小數。但小數有時某未能黏除的,然財億發 「生歐問題。我們平常處理小數,有時採用兩位成三位,蛛下的四拾写入;有两用循環小數,但 賺兩維方法,都未能變示商數的置正價值,而且計算有餘數的小數也很不健,因此,我們在未能除 「豐的極無敵保存,用下列的形式去後示,那使是分数高

m 36 + 18 - 2·

·被除蚊

測歡飲

一分数號

̇除文

分册

分散的需親是整數的變分之變,但是不足整數的數,中小數肉一庫班,僅有陳憲情計㟖的信 【料當的形式可分下列三種:

翼分数:分于比分母小的例

149

415 200

後分數;分子和分母相阅,成分子比分陬大,例如:

下列各做整數成帶分數:

-無響分餃:

玄帶分款

55

17. -16

二

18

36.

餘數集分中,嗉分部不慢。

贈分市去除分牛,如沒有餘

都不存在。

*)化下列各數為俔分數:

2

(2) 5

(2) 65-

(4), 8

(5)24

71

17

18

(6)63-

(7) 1

(8). 21

(10)1-

12×10+70 127

42

8.

化10——爲微分數:10~

12

(二)化下列各數鋡整數或灃分數:

144

851

242

121

帶發數化價分數,原分佈

5x4

(1)

(2)

(4)

12

25

321.

75

5x12

做三化与作個分數:5

103

353

20

111

12 躞數化值分數,分田雄當時情棋冠决麵,分餓乘點數作新分于 分數的工化快,應用會是齋復合 不多是一酆要使用進權方法,我們必須熟習

(5)

(7)

(9) ---

(10)

98

272

85

191

(三)下列各數的H.C.F.

(1) 154 308, 462

(2) 84, 102, 126 ›

(3) 90, 135, 225,

(4) 96, 192 240

【出下列各分數的期

《四》求下列各數的L:C.M

(1) 12 18 24.

(3) 72-95 144 »′′

.(2) 576 • 240

(41.25 50 ̈60,

找出401至450以內的質數

1) 180

(2):315V

(3) 185

(4) 356

(6), 710

(11) 2

(12) 36

781 240 (131-10%

(9) 117 (24) 7.

ANYW837

7177111

-F18)-375-

-(19) 49991

(8) 240

(10 129 (15) 36

(20) 0

20

春分數:分數附有整數的,口

7.

54

「化值分數,但答數不能用假分数

書除了識分數外,對數分數加號時,但分散變化能數城带分散,計算分飲樂熱映,分數要

化下列各數教很微分數1