1968-02-08 — Page 10

四期

日八月二年八六九一整公年七十五国民素中

**KU=>

四十初月正竿申戉鹰重

WAH KIU YAŤ PO

1968

式題額習壽調

[15. "zamab, mQ=NQ (***)

數學科

PUMPPULESHIGIT TETONI

LAC&H. § BH-CE

(E‡u) ABEF, A¢&нÁŽ

OF

E

正方形

BH=CF

«FAB= 90′′*

[«MAG==9%* ·

E

(****451A)

5:

LFAB+<BAC=¿HAT+¿BAC_{¥€78>«}

B & FAC-BAN

FA BA; AC=AH (13#{S**)

A FACSRA BAM (5.2.5.}

FC-BH.

Q.E. D.

TR) 以 △ABC 的两边AB. AC為边向形外作正当形ABF及 VOGH, XIR A1% AD18C. (9) AP, BG, CE =#**

TE ABEF, ACGH3

ETH, ADLBC

“TRIE AD, BQ Cε a##.

*

(十五)

贊仲强

第十四次預習題解答

F)以△ABC的两边AB, AC 蔓边面形的修正方形ABEFB:

13. ZI+CHAQ====<2+<ACQ (F&tasu)

M <MAQ=4NCQ

14. AMAQ BANCO (5.4.1.)

6.20428=90° (方形对角线互相垂直)

17 ca+cam90° (stah) 74 4MQN=90*

8联MNAMNQ等腰直角三角形,妖

4 QMN=4Q NM=45° (¥#=1Ħƒ Âa‚a®ĦH£}}

[!? M¥£* <MNP=2NMP=45′′ (8 9 IL (8)

20. «PMQ=47NQ=70° (#4#x«)

21. PMQN $*w{ {*A*¥} 22. PMQN

PA+PB =

a.

**} {##{?***¥, Näƒ#{) Q &‹ D}

(z) A, B $xy @18] » ★★ a £4.

DŔ) #XYLT? § 1o PA+PB—a.

1.延長DAK真慢 B

AK-BC, § 21+22=90° (@PAK$19, «¢AH=90°)

A, <2+2A©D=90*(@ ADL.BC, st.amILA-‡ÚA)

<\=LACD (831)

4

<{+<HAC=<ACD+ZAC& (*THE66, 3 G«HACILAC&) B<KAC=<BCG,

AC=CG (ZJ*{ €£*¥)

43=64 (***

<KCD=6BCR (+$$)

«BRC=LKDC=90° (mas}} |A黤 ¥»Ã

By BRL KC

A:

io MVETI CELK8 (8 (39)

7.

AD. BQ,CE线共桌(ᅀ曦心寛理)

“(4) DAZER ĦSFHŹMI, ·

AM==BC

(EA ABEFAACGHI

****

ADL BO

(**) FM=HM

AM=1BC

JOH

{

(分析)談や緑も点数が上園府忝則PA+Ba

Bɧ APEC AE PC = PB #AC=a # ©* $$$ §×× A§

做的心口為半之园

又曾以為心,PC為半径格国,則A.P两国内切於C奌且 中國亦经通

A P‡ ★ **Í#I I PRIMÉ 84 M# <£J*<*$$ 8.

ŒŒESŸ)I. ÞER AMEKA,

4R AK=BC, X KF, KH ÎN <)=42(ME)

AH➡AC (***{****}

AANK CAB (S.a.s)

KH=AB (HAL)

KHIFA (§ AF÷AB, J**{££)

MIÙ FK=AH (15)

AHKF為平行四边形(两组对边相等)

÷FM=HM, AM=KM=LBC (@####?)}).

Q. E. D

注)本題旅道FH作AM的我術FS及HT 先ĀATH. CDA 24 ATEST AMESEMAMHT.

(c) ABEF & ACGH + £3 P Q ; # FH, BC #6

**** M, N, O PNQMHEJ*{

2.18 BI↑ BDLxy, #Z.

美の

F美, 则Q园高通8’真:

4.联FE並延長之使與B8延

ST.

5 M AT $11MB LASIK CAC' 6AC & AC'S & X4 KPRP:

7 PLAP'S #Let

(证明)联TC則<TCA=∠ (対直径之购周角)

2. TC 切A圈C(魚半程絲珠

3. TC TEXTF (1017 10 4

4 ✯QE+ TE×TF = Tâ×TB (1%#*#1)

5. TC TEXTB (W?*) *

6. TC BBC » *c (# #ALIW

PBFC (2膜造物

- PB = PC (# $50

PA+TB PAL

2 (FA)

1. BITI P'A+P'S=q ( &/210)

B社A内、本題を雨角、美在A震度に、本題構得

解 B'MA外、本製酵

(2)BAD上映 PA+ FB

LEA ABEF, ACGHKA&**:

EM.N分别為FH,BC的中美

(EU) PNOM Žrte.

HM) LILA HABR 12 AR— AH, RI AM FR, AL

MAILERS MA==FL (ABRTÉ##£#)

4FAR 90-ZRAB ( BLFAB=90′′

<BACTM90"—ERAB (8 HAR 12W, „HAC-90°)

4 ¿FARTM*«EAC CHI

AH AC (ETHEL FI

1968

生物科

(十五)

熱琴

Biology (15)

Answer to exercise of last week.

1. Make a labelled drawing of the skin of a mars]

as seen in vertical section and give an account of *he function of its various componenta.

Ans.

The drawing below is a vertical section of the human skin:

Epidermis

Dermis

Malpighian layer

Sweatp

pore

Skin Receptor

Hair

Horny layer

rranular

layer

Blood Vessel Sebaceous! gland

IQLASHER

Sweat gland

Nerve fibres

Connective tissu€

•Fat Issues

Erector muscle "Hair follick

Hair papilia

Human body 18 covered completely by a protective layer called the skin. The outer layer of skin, the epidermis, is thin and contains no blood vessels Below this is a thick layer, the dermis. (a) The opidermis:

T

It in a thin outer lay or composed of stratified epithelium. The cells in the dae past- layer, the malpighian layer, multiply, and, in growing, push the older cells upward toward to the surface. As these nova-upward. they bec. ENNIS flattened, squamous in shape.

The epidermás is again subcavaqNG LOTO THO Layers: (1) The morny – javeri

PARIES

LIBY

Q.8. A

of Cay

The more superficial cells of the epidermis, being far removed from the nutriment supply, gradually degenerate; as a result their protein are transformed into a special type, known as keratin. It serves as a protective layer for the delicate; underlying tissues from drying, from injury, and from the invasion of bacteria and ing acts,

(11) Malpighian. Javer:

The deepest layer of the, spidermis, The cells in this layer undergo's active division and so produce new living cella constituting a granular layer. As the newly formed cells move upward toward to the surface of the skin, they become - flatteuse and die off, forming the horny layO?. (b) The dermis ;

The true' skin, lies below the Halpighian layar. It is formed of loose connective tissus, containing fatty tissue, sweat glands, sebaceous, glands, hair papillae, erector macles, hair Follicles, blood vessels, marve fibres and sensory organs,. (1) The hair;

It is a hollow rod of dead, fibrous,

epidermal cell surrounded by thin hard outicle. The hair develops inside the hair) follicle. bach hair follicle is a hollow tube having a papilla-like structure at its bottom, from which the hair is supplied witl nutriments, (11) The sweat glanmı“.

It is distributed in' the skin all over, the body, Each gland is a duct coiled up into a ball at its bass, lying deeply in the dermis, and is supplied with a network' of capillaries. The secretory cells of the gland, absorb water with some salts urea, and' other waste products from the capillaries and pass them to the surfade of the skin as aveat.

(111) The erector smagazi

It is attached to the hair. follicle, When an animă is in a fright or in cold des it enables the hair to stand on unde (iv) The sebaceous gland;

It usually opens into the follicle. It secrates an oily substance called asbum, whiday makan the skin and hair soft and water, proof.

< Hair pADÍLIA I:-

At the bottom of the hair follicle is.

the papill

is the region where -the

未完轉第三張第三)

第十五次孩習題

(1)解下列指數方程式:

不用討數滚

解

(a)

(3)正明下列各式

(用对默表)

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