1968-08-23 — Page 22

十三月七年車虎寛

WAH KIU YAT PO

智慧出版社主編、

新數學入門

門

G

話

10 3 7 9||

五期里

甘照女男八年八六九一层公年七十五國民集中育教悝雠

文先修一欄

47 34.

從温氏圖中可以清楚地看

們稱仁

這一個集合

為

或游動圓(RULER CIRCLES, VENN DIAGRAMS)

L

集及G集的交集

集

兩集A和B的交集就 是包含了同時屬於兩個 集合的元素的集合。

表示

可以利用畫圈的方法 我們稱之為

E集

即门

這種

(JOHN VENN

面積就是該

最先由約翰·范恩

1923)EG ##.. 長方形法代表法集彬內約

集的元素所在,而且他又 365 (CLOSED CURVES)

這種

G集的交集 £73.

頂帽子什么的 我們把F集與G集的 寫成FNG讀作「FICAPIG & 交集以上的情形可以寫成 Fin G = {7/3.0/

酪

eason 30

Direct and Indirect Speech (1)

There are two ways of reporting chat are ther

person has said

(a) To quote the exent words of the speaker *{

She said,"I finished my, work pasterday.”

This is called Direct Speech. ($*$*£??

(b) To give an account of what another person has saida.

She said that she finished her work the day before.

This is called Indirect Speech.

Examine the following sentences 1.

1. Mr. Bong said, "I am a teacher." (Direct}}

2. Mr. Wong seid that he was • teacher.(Indirect)

In Direct Speech we use inverted combas to mark

[off the exact words of the speakeri in Indirect Speech

we do not. (直接逃诫我明明刳號將講錢者缈

在温氏圖解之咖

如

表示的方法合人很容易 神宮子集間的関係

In changing the above Direct Speech into Indirect Sneech the following changes have been wade:上面的句

集如有 A B

集則他們的要

果在:

盘

們會發生

■

WES

用溫凡價

明

u

B

1除

A

泛集還有一些其他之翼 2AB 集沼有一元素是相同

A n B { x 3 x

ABX

試以

D

{94.36.7

469

©'A.

6 0

第三糟情形

B

ร

A

BONGK

X

。

該校篮球隊鄖

* Phrah

鼠的子集

的手集

U * = {2,4,6,8,10]2]

13

用温氏

他

he

-

(a) The Conjunctive, that, has been used before the

Indirect statement.

(b) The Pronoun, I, is changed"tø ̈me"

{a} The verb, 'n' is changed to

Some rules for changing Direct Speech into

Indirect Speech; (~! * £ - * $ £ ***T} : )

1) Simple Present Tense is changed to Simple;

Fast Tense.}

Exsepies

He anis, *I ̇ne tell boy." (Ddredt)

No chÀ that he was a tall boy.(Indir set]

Present Continuous Tense is changed Past.

CORTLAUOUS TORSO1;

Braaple

I ́as reading a story book, "(Direct)

He said that he was reading a story book, (ladimet)

4) Progant rrogentˇPerfect Tegee is changed to:

Fast Perfoot Zonas 1

Me cald," "I have finished the work, "(Direct)

Kialared the tarka She said that she had

Ind treet)

IBRARIES

邦

晶花了

花

imm是一朵有菜片花瓣的花}

朵五瓣的雳爸的花 是一朵率的不色的花

KTHAKAR

+

(4) Pronouns and Possessive ädjective,” of the

First and second persong, 4. are changed

third person.!

Examples.

Be sale, avertired * ("irect;

He said that he se very tired. (Indirect)

She said to the child, "i helloith your

other "(Direct)

She said to the child that she would go with

hle nother

((Indirect)

Angrere to Exercise 43

(a) Open Conditional, (b) Present Subjunctive Con ditional, (c) Present Subjunctive Conditional, (a)

Present Subjunctive Conditional, (*) Past Submunofive Conditional, (f) Present Subjunctive Conditional, (g), Present Subjunctiva Conditional, (h) Past Subhac tive Con ditio041, (1) Open Conditional, (1) Present [Subjunctive Gonditions i

10

這樣顯湯场見 AIC U

#T= {0.2131415

3 9

Ni=1][2μ4×6=8=10%}

O) ACINTERSECTION OF

3

023:1577,900 S

5

{o

3 4 5 6 7 8 97

U-io bicide th

1 × 我

@M = }579b]

試

話

1 *

K

N

x

تم و

10 Ai

Σ

+

T

F

zi

NZñON{ J

W =

白

{在

TC P

WS