(19)
商数
日五初月一十年農戊醫盍
報日僑萋
二期星 日三十月二十(八八九一)年七十七國民華中
畢業文戀。
該校崴國內外大學的合恝春 本部大讀學舉行 高長
,科後名學生上台頓不是
不但港固季数基礎 俄畢業學生更多廣闊出
業禮,被監胡鸿烈表示 九九七來畫,培養更多一
作,獲得英浦成績,此 葯 - 亦及本港在面對一呆辦
围窄谋长的效应人。護環
他稱,了香港的 有志氣,有眼光,有的
色、有魄力、勇於接受法 前途,需要訓練出一批本境
使命,敢於承挝責任,
此者任非大本教育英 能放眼世界的入材
還育
他又非常欣赏和铁
境
知所起的。 是大事敢育工作者的良 「基謝年」意念,認爲 佩王在武博士所提出的
境環港本護保識認高提
動活育敎境環辦社春長
開展底月下動活氣净有地天」 週雨酸際國行舉蘭荷年明合配
本憷年示長
敎育署署長也挺
長春社副主席張麗萍安 研时會閉燕禮。 示,岛春社郑於裔近兰 研时合今年的主題 |爲揲上在不同文化中的
̧員協會和香港實骓宮技 文研討會星期三 ,及由香港教育專業人院主辦的第四码城市语 激祚署语文教育學
- 項全港性的空氣調查、 ·
一年五月完成。 — 年一月廿八日開始至明 及展覽會,活動將由明 主持開幕典滢; 柆隰空氣污染调查比称本香港中文大學校長高 「研討會為期三天,
- 筋及組有 鹽水
香港春?招繼
保當年的學
一日開始舉行, 的哦况教育活動將於明
一首啜全港性中小學 學生認傣有關本港空氣
王庚博士分别致詞 所長,以我們的經驗,代化。] 鴻烈摶七及香港大校 須取香港中国人社會之 人形胁中國盡快進行現 谢業與產,宙上极殺桃 個時刻所發生的事,亦可的特質,去引領其仙 日阼器行第十四屆學生 代科技去濟楚認識一個化、歷史八古代和現代 〔特)樹仁學院 跖無整要利用現,以及找討中國社會、文
王慶武主禮謂須盡快協助中國現代化
須由大專教育承担
樹仁學院畢業禮胡鴻烈博士稱 訓練放眼世界人才
華僑教育
討研文語際國屆四
持主錕高幕開日今
報告比賽。 |一項校際各基空氣網查 擬調查報歩,參加
使襄而狷入院或抗故事
是一項重大的挑戰。
所有受教育的人士, 教育活動。是石並 前途的發展對他們而言 的國際致雨運而舉行,一生研實會,三月的全港 和木港新谒三百名繕文 其是大專畢業生,香港 特配合明年於荷蘭暴行 教師研討會,二月的學 {{- 一個海外國家 致詞時亦稱,對於香港 有關至溶性空氣的環境|該國際機構以作存案。 用語文教學模式睟起各 |海大校長王庚弛在 技衡且協共同邀請本岩各中小學校參與 此語文學台概念,以及探 有關本港的報告將途早在空氣祥試調查。同時,教育學著將管加研社会 的空氣状况進行研究及龍文。
[活郓 包括一月行 種文化的問題。 各學校可就其所屬地區 文發超過一百
退件,故與教協和實驗室同社會和文化的古文和
篇
鵞 暢瞬髙
反對「津校轉私
(#5)
敎協週末辦研討
定於本週末八十七日)很九 ◎ 香港教育哲米人員
開放的宗教制度、
總醫院臺行研討會,反對「遷校鵷泓」的接受
解放的程度。
是不正確,轻且是一種狹隘的淺見。 人;而系敢對待異教徒的態度亦可看到其 思想没有深度又或好像來無道饱檩迆不 遊靈觀都來自宗教,但我的朋友側指出, 少都會接觸到一些宗教體系;而大部份的 一些宗教信奉者認爲沒有宗教的人就一定 一些宗教徒固然「歧視]沒有宗教的
哲理,每個深入考活生命問題的人或多或 當然,事實上,你教會有極安深入的
「過人生的問涵?」 』,該教徒對:「你以何一點也沒有想 一天問起他有否宗教艏仰,他笞以「沒有 原來他的一位朋友是個宗教的信徒
總推沸其弱點以作攻擊的心理, .,也從未全盤加以瞭解,在只懂皮毛的情 唯我獨豹」,對方教徒不只一點也不尊重
一對,一點也不能容納能人的见解。” 之感。當他們與異教徒交談時,就針鋒相 【比如A敢也型及B教徒其教義,但
我没用到的不少無敢出滿发降友是
沒有宗教信仰一定就未想過人生問題嗎? ,也未必一定变形式地加入某個宗教團體 要信仰宗教。而就算出心中有某些的性却一 第一個會深入惩考人生哲理的人未必 我的朋友於是感到非常的忿怒:難道
一些宗敢問題;令人有所感。 先日,一位朋友氣冲冲的來對我說
不系道德好每? 山導人向善,全球宗教徒何止一半,又何 保何又會宗敢戰爭?我說,所有宗教
的動性已薄就到極點吧了! 尼采說:「上帝已死」,是指人心中
中有一條,戒律是不許外敢,此是可 ◎ 宗教自她有其胸懷。但聽人說,佛教
原則、教師權斜的角度君「校轉私」計劃。 「 轉軚」計劃。〔〕技就會平等、教育 主題爲:「一)從教師-校長和家長的角度泄
研討會定週末下午二時半至四時半器行。
是喔,若能调性。
而听治
由這件小事,感到人不可不受
寺 粉成壓力。 ,總之是一大堆人,這些人却對你
玄三號
。,入做也放 在的年四,大持是我在大白:
現今需解决
R-(BN) 一,成敎育下一代而 者也極出一分力 我們身爲教育工作 府能大的支出,而 制的歛一,迢去收 的問題,那就硭學
天下吗
協會問學資
浪新
讀政哲處, 極證書理道 继的一些
3五初月一十年辰疗
1989 中學會考預習專欄
明道出版社
MILL & DALE PRESS
English (11)
4.
The
two
brother
the same girl.
pursuing are
5. Her arrogance has kept people at a
distance
[xercise (D}
3. go without
lock into
look for
icok after
4. going after
5. She has suffered ...
since her husband was killed.
6. Nothing happens. So CURL inue
............................ with your work.
a lot
5.
I am honest with you, I haven't
kept anything secret
look away
look cut
look down on look ever
Took up to look up
5. gone through
6. go on
The notice said, & Sky away from
look forward to
1. Men are all equal, We should not
despise
... others.
7. Go by
8. went off
9. gu dgainst
Exercise (C)
7. Follow
the rules or you
2. Mother
Warns me
to be watchful
10. go ahead
will be punished.
证。
8.
The bomb exploded destroyed the whole village.
and
keep away keep up with keep up
keep off keep back keep te one
keep on
keep out lf
when crossing the road.
(B)
1. held over
3. Mr. Chen
Es kind and generous.
2. held up
respects
him.
3. hold out
9.
You have made your father verte
angry. Don't appose
4. Haid on
examine
the
5, held off
時 the document before
anymore.
"Avond going hear
with
that room. It
explosives.
?
from
of
hg it.
5. Nurses are
re
taking
care of
(C) 1. Keep off
2. Keep away
6.
1 hate ain very
Whenever I
3. Keep it up 4. keeps
following word(s)
bear Students,
Here are another four different sets of phrasal verbs. Try to do the following exercise and see how much you
know about them.
In each of the
sentences, replace
underlined with an item from the list below. You should take care to use the correct tense and form and to keep the meaning of the sentences the same. An
item can be used DNCE only. You should write your answers provided.
Exercise (A)
10. Don't pract
the project
门
space
3. You have made great improvement.
Maintain it
see nja l turn my eyes
...................3 reply from the company.
6. held anything back
himself
keep up with
Keep it out
keeps on
3. kept pack
yc after
go ahead
go for
go through
gc back on
go on
go by go against
off
hol hold off
hold over
heid up
hold back
4. ne is suspicious of others and is
isolated
always.
7. The applicant is waiting.
90 without
The meeting
unzil Friday.
was-
postponed
5. Jane works so quickly that no one
can catch up with
8.
The detective
decides
to
hip.
(D) 1. Fock down on
Լ
investigate
the case.
1.
the
The affic was stopped
9.
I am searching for Jost watch.
13 ǜ
Our famine.
cannot last
food
The dog attacked
stranger.
2. Don't trust him. He always Fails to
keep
... his premises.
an accident.
HO
3.
3. No one
can manage
withoul
food and water
for 4.
months.
car
1989 中學會考預習專欄
明德出版社
MILL & DALE PRESS
Additional Mathematics (11)
H. S. So
1.
Solution:
till the operator
bur cai.
The required h {x2+y2+2x-4y+112
1.e. {xt{1+k}]2+(y+
5k?-16k+16
A?
-
6. The dog is very dirty, Don't let it
enter
7. The teacher continues
repeating the same point.
8. The soldiers were so brave that they were hard to be prevented from advancing
b) A straight line L: y=mx cuts the circle at the points M and N, and meets the line TT2 at K. Find the coordinates of k in terms of m.'
ONG
5k-16k+16,
.. when k = A is the minimum,
5'
The equation of the circle is: 5x+5y2+26x-12y-37-0
(Ans.)
Let |OM: =t1, ON tz, OK |=tz+
10. Find out ...................... the meaning o
this word in the dictionary.
Answers
(A) 1. went for
2. goes back on
A = (4m2+in-3)-(2-1) 16m
12m2+7-12-04 (4m-3)(34)
2. lock out
3. looks up to
Fock 'over
looking after
.look away
7. Tooking forward to
8. Rock into
9. looking for
10. Look up
ARIES
LIBB
PUBLIC
Solution to Revision Exercise 11
1. The equation of bisector of ZA is
AD:
3x-4y-19 x + 7
432+42
7
2x-y+4=0 ...... (1)
The equation of bisector of LC is
4x-3y~17
CE:
=
T
are
its centre is (12).....(2)
Sub. (2) in (1)
12-k 只
+1 = 0
2
K = 7
-4(x+4)
(Ans.)
. The equations xeye-5x+7y+10=0
(Ans.)
(x+4) or y-4 = - 3x-4y+28-0 or 4x+3y+4=0
3
X
7. a) Let the equation of tangent through the origin be y=kx.
Sub. y-kx in 6.
(x-2)2+(kx-2)2=2
(1+k2x2-4(1+k)x+6=0
A = 16(1+k)2-4(6)(1+k2)=0
k2-4k+1-0
k = 2+3
from_j{x~2)+(y~2}* - 2
iya
2±√3%
阿您對旅選
特點:
夜間旅遊專業 ★免費旅遊
旅行社:任財联线我的黴绝特
課程包括 ( 即將開認
*901 N 803 ∗802喆舸旅遊聯搭线及滋润交色 告新難道菜練學院、查詢電話:
中说阻疵制街)亩與大厦3
德祥旅行社
上海賓館
錦江飯店
台灣
$50
天天接受! 辦理國內外
代訂世界各地涒
最有潛力發展之國案
探親
遊 越南政府今年1月公開改革開放政策 局 湖南僑人返國揉及各地入儒
四天探親團$4500
●辦八天 光国 $7880
11天探銀團 $5850
利華
3
★加心
投資
免費講座
Revision Exercise 11 Equations of circles
Yorked Examples:
1.
Show that the twa tangents from
2) points P(4,
to the circle xBuy*=10 are perpendicular to each
cwhere
Solution:
Let the gradients of the tangents 32 7.
The equation is
咕
1-2
X-4
=mx+2-4m .....(1)
Sua. (1) in x2+y2=10
x2+(x+2~4=1)2=10
(¢{+1)x7+ { 4m+9m2)x+16m?-15m-3=C
= (4v-8m2)-4 [m2-1) (15x2-16x-6)=0
3m2-8m-3-0 .....(2)
Revision Exercise 11
Section A
2.
Given 3 lines, AB:
3x-4y-19-0,
BC: 4x+3y-17=0 and CA: x+7=0. Find the equation of the inscribed circle of △ABC.
Show that the circle x2+ye=2 tauches the circle x2+y7-6x6y+10=C at noirt (1,1}.
3. find the equations of tangants from the point (-4, 4) to the circle x2+y?-6x-6y-7-0.
at
4. A circie touches the x-axis
point (3, 0) and is tangent to the line_4x-3y+12=0. Find the equation of the circle.
5.
The circles Cy: x2+y?-by+5=0 and
C.! x*sy?-15x«6y+37=0
touch each other externally at P. aj find the coordinates of P. b) Find the equation of the common
tangent at P.
A. My be the roots of equation (2) 6. Let A, B be the points of the
product of two roots Tim2
= -1
intersection of the circles x2+yz−23x+11y=0 and xtay7-12x+11=0。 Find the equation of the with diameter AB,
circle
Section B
*. The two tangents are
perpendicular to each other.
2. Find the equation of the circle
2x+x+4=0 and the cornle C:
7. Given a circle: C: (x-2)+(y-2)*=2x a) The two tangents from the origin t.o Cat
which.
passing through
intersectior of
地
x2+y*+2x-4y+1=0
minimum area.
the
ad
having the
and T coordinates of the points
find the
42 32
3x-y+6-0 .....(2)
(1)+(2)
x=-2 y=C
The coordinates of the centre is (-2, 01
|3(-2)+4(0)=12 | | = 5
.. the required equation is
(x+2}+y2=25
2. Sub,(1,1) inx+y{=2
3.
12412-2
(Ans.)
Sub, 11, 1) in x2-y2-6x-6y+10-0
12-6(1)-6(1)+10=0
Point (1, 1) lies on these two circles,
The equation of tangent to the circle x2+y2=2 at point (1, 1) s
x(1) + y(1) = 2
x + y = 2
the equation of tangent to the circle x2-6x-6y+10-0 at point
1 is
(1)(x)+(1)(y)-3{x+1)-3(y+1}+10=0
x+y-3x-3-3y-6+10=0
x+y=2
The two circles have the same tangent at point (1,1).
.. They touch each other at point
(1, 1)
(Proved)
Let the equation of tangent be
y-4 = m(x+4)
y = mxv4m+4.....(1) Sub.(1) in x2+yǔ-6x-6y-7=f] x2+(mx+4m+4)2-6x-6 (mx+4n+4)-7=0 (m2+1)x?+2{4m*+m−3]x+{ $im*+8m~15}=0
Since the circle touches the x-axis at (3, 0).
.. its centre is (3, r), radius=[r] The distance from (3, r) to the line
4x-3y+12-0 is
4(3)-3(-12 Ir!
4+32
24 - 3r
Ir:
or
24-3r-5r or 24-3=-5r r:-12
The equations of circles are
or
(x-3)+(-3)2=9
x<ay?-tix-hy+9=0
°(x-3)=+(y+12)==144
x+y4-6x+24y+9-0 (Ans.)
15. a} Cq-Cp: 1úx-32=0
x=2
Suk. x=2 1n Ly:
4y2-6y+5=0
yz-5y+y-0
(y-3):=0 Y=3
.". Coordinates of P1s (2, 3)
b) Equation of line T12?
11月9-20日
MR..
x+y-3-0
X+tX-3=0
3-7708663
預約電話
{額滿即止)
森村
退到
X
i
1+
怎
147
Coordinates of k is(x)
c) ty
=
1+m
구름
2(1+m)
31+02
=
(Ans.) 3v1+m@
Let the coordinates of N, it be
(*q, mx). (x2 mx2) respectively.
(1+m2)x2-4(1M)x+6=0} .
Sub. y-mx in C
Kyo xo are the roots
4(1+m) 1+m2
3-882121
3321188
*電腦操作專業代訂 平機票、酒店。
*精辦泰國、台灣、馬 菲律賓入境簽證。
*歡迎精製 特惠套票:香蜜湖
、西麓湖、東湖、巨
•金山等訂房及旅
湖南張家界岳陽述
(Ans.)
b) The equation of tangent is x-2
1
=
(Ans.)
6. The equation of Tine AB is
x2+y2-12x-11-(x+y-23x+11y)=0
A - } + 1 = 2......(1)
6
=
1+2
is
The equation of the required circle
x2+y2-12x+11+x(x-y-1)=0
_2(1+) 3√1+m2
(Proved)
錦鏽級
桂林
直接由香
暢遊:桂林伏波山
七星岩公園
專船遊鳘消 住宿:中外合資記
桂林錦梯
No comments yet.
Private notes are available after approval.