1968-03-21 — Page 21

華僑日報 All

曹教僑港

頁一第張六第

日三廿月二年申戊曆

10.英文中學會考試題預習專欄 生物科

(廿一)

·廖古琴·

Bioloer (21)

Answer to the exercise of last week:

1. Describe with the aid of a diagram the external

features of a frog. What mentioned features of a frog do you consider as the adaptation of the frog to its environment?

Ans

The body of a frog can be divided into three distinct regions: the head, the trunk and the limbs. A neck region is not evident and the tail is lost during embryonic development.

The head 13 broad and flattened. A large mouth is located at the anterior and of the head and a pair of external nostrils is dorsal to the front of the mouth. The large and protruding eyes are protected by eyelids. The upper eyelid is a simple skin fold; the lower one is a translucent membrane. When the eyeball is retracted into the eye socket, the lower lid spreads over its surface, A round eardrum, or tympanic membrane, lies posterior to each eye.

The trunk of a frog is short and compact, The skin is dark green or dark brown and slimy without scales.

The fore-limos are quen shorter than the hind-limbs. Each fore-limb consists of three parts, the upper arm, fore arm, and the hand respectively. The hand has only four digits for the thumb ia missing. The hind-limb consists of four parts, namely the thigh, shank, ankle and foot. The foot has five toes, and the toes are connected with each. other by a membranous wed.

A cloacal aperture is located at the posterior end of the trunk. Through this opaning the faeces, urine and reproductive products are discharged.

Nostril

Eardrum

Eye

Toe

.web

Mouth

-Fore-limb

Hind-limb

The external features of a frog

Finger

WAH KIU YAT PO

21 MAR 1968

CITY HAEL⠀

The following important`faatures or a frog are usually considered as the adaptation of the frog to its environment:-

(a) The colourful, smooth, slimy and moist skin

serves for protection, sensory reception and for gases exchange between the animal and its environment.

(b) The large mouth enables the frog to swallow a

large prey as a whole.

(a) The broad and wide head connected with a

stream-lined body for easy movement in water. (d) The powerful and large hind-limbs are adapted

for leaping, swimming and for escaping from its enemies.

(a)

The short and strong fore-limbs hold up the body when the frog rests on land

(f) The membranous webs present in the feet for

easy swim in water.

(g) The cloacal aperture provides a passage for

the wastes and reproductive matters (eggs or sperms) to pass through.

2. Outline the changes that occur during the develop-

ment of a newly hatched tadpole into a frog. Indicate how (1) feeding, (ii) breathing, is accomplished at each stage.

Abo.

The changes from a newly matched tadpole to a frog are summarized as follows:

The larval stage tadpole

(a) About two weeks time after fertilization, the

embryo wriggles out of its jelly capsule and

hatches into a free-swimming, larva, the tadpole. Nasal cavities, inger-like external gills, mouth. and cloacal spring soon force The intestine is straight at first, and then called a race

the tadpole attaches itself onto the capsule fra by a U-shaped sucker, and agter Nelunga to water weads.

(b) About & to o weeks after natening, the

external gills are gradually absorbed and replaced by four internal gills that develop within the gill slits. The gills are covered by a fold known as the operculum, with only one spiracle on the left side of the head. At this stage, the sucker disappears. Two small projections appear at the either side of the base of the tail which will gradually develop into the two hind-limbs. The two fore-limbs develop almost at the same time.

(c) When the tadpole is about two months old. The

horny jaws are discarded and the qouth widens.. At the same time, the latest ine becomea

the lunge begin to develop and the

BENE OD 11s gradually dezeperate.

日一廿月三年八六九一公年七十五國民華中

「Metamorphosis:

"After two to three months, the young frog under goes

period of rapid metamorphosis, differentiation during which larval features are lost and those of the adult are acquired. The tail is resprbed. The head changes into broad and wide, a tongue develops in the mouth. A tympanic membrane and eyelids appear, and even the shape of the lens changes to provide for good vision in air, which has a different refractive index. Finally gonads develop and differentiate into testes or ovaries

Adult stage - Frog

The young frog will grow in size and attains its sexual maturity in the third year,

Ans. (1) and (11) :-

Periods

A newly hatched tadpole

A tadpole

Feeding

feeds on the yolk matter.

with external materials such as gills

A tadpole

with internal gills.

A young frog with both fore-limbs |and hindu

limbs,

An adult

algae and

vegetables in water.

also depends on the plant.

materials for the food supply,

Gradual change to a carnivorous diet.

feeds mainly on insects, worms, snails and even the small frogs.

Quest Lens for this week:

1. (a) What features in common have the insects you

have studied? Name Two insects which are pesto, Describe the metheds of control which are employed against then, stating why such measures are necessary,

(b) Write an essay on the sconomic importance of)

insects.

2. (a) Giye brier reagóna for classifying a Gabbage]

White Butterfly as: (1) an invertebrate, (11) an'arthropod, and (iii) an insect. (b) With the help of diagrams, give an account of

the life-history of a Gabbage White Butterfly. ̧

HO

|后

香港工業教育之重要

會演講 希望工業界實施練習生制 香港仔工校校長梁澤民神父在香島獅子 業學校合作 增設訓練班 以培養工業人才 或與工

業的學生。 他請們在可能竊與內盡錄用工業學校畢 人才的外號,本人向廠商同呼籲, 方式,本人以爲很值得本影工業界的 此外,爲了附上的改進和減少工

「四千餘人。 克,共包槃尔茨善:(一)需的俄交雜

者有維斯多因喆根,名爭畫鹊東榮、 啓禮、副會長韋俊斌、周君廉持,出席 。 于整芔會議銷法兰地,劉伊壩交。(二)絕不虞缺乏,不一定要求之外地。因爲 「會歌,李由克护照、術、家,明瞭本學生程度爲到件。目前 精送與會,由陳濟民獅兄領導唱獅子用專門入才,以符合本港工萊技術需要 、阮秋、楊乃、楊浩、伍偉、嘉寶馬 -撥出一項特別姿作辦工業學校之用 家傳、西要和、丁腐爵、胡顯科、吳港設備,另一方面在每年我育經費預算項下

午一時,假文華酒店舉行例命,由會拶 合作的,任何困難,斷無不能克服之 錦明、香港三〇三联公共钵號主席林脚餓,同時,孤愧專門人才,有系統地盤會。張啓二十餘萬元,他本校同仁獲得不少的 ,本港專門按術人才正大且外流,故人才

雄、茶香若、鞭蒨蜜、羅家政、邵軒、單、翻新校,一面擴大原有的學校,並-

實其職源市擄上手,使本補工榮裕祥光明。 余瑞欽、帶振象、許讹杰、周志强、榮軍望當局艄慷慨出適當的地方,一方面地上以改進技術,提高生產的質季,薄而可在 〔特訊】香湯獅子會昨(二十)日下界、工業界及於會熱心人士,各方面能 支持。 瑚而切實的程,付之實施。本人認勝

淤、哀昌菜、糾察陳濟民、漩事陳榮基、若于工業中學,但數最夙然不够。我們希秀的按術人才,有了-

份的人才,自然可 家興、司床梁昭、秘密鄭建衡、總務傅暖脊,日盤了不少的努力,例如創辦工專及教育既然普及面進步,便能訓赖出大基饭

爾維德助的蓓夠,無論對政府西屬成教育, 爐的前途。

在政府方面來說,過去對發展工業發有賴於工業教育的普及和趕上時代,工業 見,去年本校新工塩展及 實龠諾位先中對工廠敎育然心而有深

要你湖本造工業的矽長和經濟的繁榮,實 綜上所述,我們可以得到一個持籲, |創辦的工榮學校,登南一平,加以大力的 一失了不少國內的意見,希能們本實過去. 一貫,近對證年出路問財術極關捣 對社會福利和教育的熱忱,已寫了光的 在此會熱心人士方面來說,過去他們

六議儀式,在敬佩之性。 心銘感之感之餘,磴月初將行一

「現階段,更具有很大的過導作用。本校于 |波座和信心,同時在發展本性工業致育的

下月該會第一次例會( 四月 日丷决定取物外地人才,既警署加經費,而且他們中學會考今年起改制

【落勃,爭取大量外泄的支持,因此,發展,以發揮教實的效能,我們練出來的人

《狩甄》今年!

一切尙在捉摸中

CON

L

事透露,故多感性 [粜的安格?因一直未 如何需基其升學就 中所签得的等舘,將科

,就會考取消「及格 消协教育界方面

含染到此自的,非加强工開發育不可。

值痧凡頤年。(門】整好恨, 設備,發揮效能,加產品等方面手。其盤溫的實 心有效的對策,一定躉從辯驚人,故良,潴便本校熊具規模,含工燊教育界盡 的話,前途安在來幹樂觀。本人以爲,唯筏本人决定朝現代化的謝,繼續努力 ,本工樂界倚仍故步自對,不急起落海分校,這些是本校從事改革的開端,今 逐渐被抵消。唯其如此,在可預品的將來建一座與現有換相仿的香港仔工業學校 條件,蘭幣機械的進步和波衆的改進,而捐助,日開朗可活成。且目前正一起興 談到工業教育,目前一般人似乎有两,業界一般似乎過于癌生重,而忽略了。不過本屆是否仍沿

人工低素,成本減少,但,這有利的結,進行駛區,如業各界熱心人士 |一可以在網際市場中,戰爭的有利作,有工塲加以擴建,最近增建一座影音 樱工粟自然很大。因爲本港玉菜品:推要于工塲機械設備不上時代,特決定將 和限制的政策,四抓不利的情勢,影響本」。但,本校同仁絕不敢以此自滿,前有 利签,對外地進口產品,已紛紛採取不幸,才在4天點漓的成就 溫發生估過,各里爲保他們本身的工棠,實。從港仔工棄學校創酩二十多年之 【实世界的情况,由于金融經濟的我,爲發展整個東與亞工無盡其最大的

主持,今發卅日在尖沙琥攣續揮錄:關當包, 四祜琴合唱多對而做,梁澤民神所購詞如志願,爲運此目的,必領製法增加新式 港工業學校來詔洲,榮、林峰演漵勵有忠的鬱年完成態們學習工業技術的 本港的經濟情况,近年來商極好嫌代化的工業教育,以適應本新興工粟的, 「育之鬣要性」八鵞詞仍錄〕,後並由香氣,而到搭其本的信念。同時,無多方面 務調黴向大會,以作抽除依據,香港大的淇光,本發展工業發育的精神, 仔工業學校校長梁澤民「蔥進工業雜然困難,仍不噩殿畫一時的成敗得失 ,係由關啓權、戴根魚、穆林穎、鄭家衡,在乎常木地人才界否有做 鷄。 (三) 本月十四日在於行的宝服你,本港工樂鋼况和竇際需求,未必有-

份的 |安定本著社會民生的大支柱。可是,套棄,全省力的作用,而且能本猜他們的事觀點,书中共三篇零三百人書」。對於升學就業 語,旺 游發「歌 工業和經濟繁榮,有如落齒之拍做,成爲,建符合鹃際水準,不但能在海灣工藥界產,則有二百六十六間, 就將來持有「激膏一項演說,而今後會 我定下來,屹立不橘,道完全有熘于工架下,不防类量採用外因最新的针方糊,洪八千五百人參加,博話亦比較穩號一般,有此交点,便可 我經過去年五月瞵動事件的影响,依然能一要求。此外,在不對於中風傳統的堅實之一较有八十八間,考生 都感覺心理脫警減少 得及格,卽成館取文 機械,必器和緻材,便學生有懶會接受現 在工業界方面來說,本人以爲本港工所考各科照畫之等第

從教育界方面來說,希望大恕揄安達

,考生參加會考養

英文中學會考的學校 餘。惟是,有等考生 以作爲升學或就業之

考之人數 應根據如何成績 釐定 學校學生參加會 考生升學與就業之資格如何 两項考試,均將 两方面將拿什麼的讓【證書」,則在重考】些他們視為不畫

加中文中學會考的學:梁經改,一般考生,因爲過去在會考級爲勢將破壞中季遠才 雖然分數考則例, 串的問題,參洪疑而論仍多,一般多 「校敦務,影喃 孜背之完整性,對于

目分組的合格標犁 「與不及格之界限及科

一就塲之安排,勿在 【考試之粹細時間表及 【料。至有關此两項 考試,然後開考普 ,首先我行高門科

於五六月間先後而

种逐端相反的念,其一,是觀念上過於「術的改進和工作人員的進修,致未能達到【用過去會因燕緩而

格規

津貼

CDONA

驚 天主教總堂區學校

〔三)報名手讀:(1)出生證明

(二)報名日期:一九六八年四月一日至四月三日 每日下午二時至五時

(B)下午班一六年級新生 (A)上午班一年級新生及各班生

招收68—69年度新生

(3)最近半身照片兩張

(2)最近成橫

林立,人才供應無缺,足見工菜激育問題不能盡到,不妨和各工業學抑合作。不獎有薇定 ,是躪論造於樂,所爲本圈近年來工廠|習生制:或附設概就班和夜校,如因經濟做出此級數,生前停 悲觀,在爲本港絕量工業教育可巴。其二分部的超步。希望船仿效外既工廠實施線分好之級大,抑躉地址:香港律打街(卽那打素醫院對面 〕

|新秀與和計畫,堅定地食出作脣工人才 的熱忱。目前他們在穩竭困難中,正在不 ,也不差阻遏一般月之發展工架致育 【有谁的計畫。何况縱然有若干困鼐存在 的,與羅在乎我們外實有没有决心,有没 一是,要能解决遠两問題,絕不是很困篩 【能受到經費問題和人才問題的限制。但 倒加驺工業軟實的照署抢施呢?共恩因可 。至於爲什麼商業習前爲止,我們還看不 。但是本人爲從托空管,依然無濟於事 杰,足見這一假問題,反引起批會的棋 育的車見,各方面與論的反應,也非常篱 知名之士,均大至疾呼,提出如强工業發 人舞的息,那就是緻公及教育界 江日以來,我們在辊窜上智多很多分 龍發生極大的遮碍和儷能。 她的耐點,對法養工乘致育的前途,都可 一份法,是一件很值要的事。因爲任何不正 「盤,澄清上述那两種對工教育不健全的 若一個有力的答看。本人以爲從實際的觀 可制度的演離現實需要,也是粉类报主 ,亦停地說明了當前工業教傅的落後和 找不到人的怪現象——羅先生以上的計 工作,另一方面,工廠有成千成萬的空 是形成了一方面成千成宮的畢業生找不鋼 ,只有百分之十的學生到工業界服務於

同時,每年會考及格的二萬多名中學生中 惠實上,我們年只能培安出四千多人,文學系BR, FO

-本港工梁界慑年需要三萬五千新血,而臨尙有香港大學現

工要我穿可言。可是,羅先生跟艾推出,新幹膩,

相當正綱的,那麼,便不能說本港無 錢學院的奉業生有六百人,如果這項總計 F藁期五下午五 墨·院完成課程的基里約有四千人,工一女香港協會,定於網

「扶餘肚致詞中指出:本港年年在各種眾樂

「與事實不符。根誤羅生開先生最近在西區明選新幹事

HN GRANSDEN

楊者注意

教育

讀第在育

【宫皇 華大 統縂

厭蠅┻夜色靈映献日不

全部

覇片戰鎗

用脚快 出火長

招飛 部短

點地期映意注

用盡I

脚絕品

「四虎將」

嘉汀娜

維蒂

巨献 四大尤物主

嘉寶仙

嘉娜亞

流風

彩七麗艷

無邊春

不宜觀看

本片兒童

校監:陳伯食神父

於形來

及格之分

一堆設骩練,由廠方的景補助一些經費。

廠附設的南海中嘿採取工作 並重的 的效果,可謂一两得。目前 南被 一煉人才的困,而同找可以收到訓練技工 一樣一來魔力低可減少一筆開辦和物色 「飛教育在香港」旁爲長無啓报 杳島獅子會午安育公仔工業學校校長梁乐民游常演票「

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