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PYQ - Science 2009 Sec.A.Q1 |
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PYQ - Science 2009 Sec.A.Q1
The following information shows the eating habits of three different animals.
以下资料显示三种不同动物的进食习惯。
Which food chain is correct?
哪项食物链是正确的？
A E
 G
H
F
B F
E
G
H
C G
H
E
F
D F
H
G
E
Answer 答案 : B
Chapter 单元 :
箭头从被吃的动物指向吃它的动物。
Arrow pointing towards animal which will be eaten.
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PYQ - Science 2009 Sec.A.Q2 |
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PYQ - Science 2009 Sec.A.Q2
The following information shows steps to investigate competition for
space between plants.
以下资料显示有关植物竞争空间的实验步骤
A X, W, U, V
B V, W, X, U
C W, V, U, X
D U, V, X, W
Answer 答案 : A
请问这个研究的目的又是什么呢？
为了研究幼苗的数量与它的生长情况之间的关系。
With the procedure of the experiment shown above, we could observe the
relationship between the amount of green beans and their growth result.
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PYQ - Science 2009 Sec.A.Q3 |
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PYQ - Science 2009 Sec.A.Q3
Diagram 1 shows animals classified according to their breathing structures.
图 1 显示以呼吸器官分类的动物。
Diagram 1 / 图 1
Which of the following represent H and I?
下面哪项代表 H 与 I?
Answer 答案 : A
鲸鱼虽然生活在海洋，但它与其他的鱼类不同，属于哺乳类动物而且是用肺呼吸的。而蚱蜢是透过身体的气孔进行气体的交换。
Although whale live in under water, but unlike from other fish, it
categorize under the group of mammal which uses lung to breath. Thus,
grasshopper is a kind of insect, it breath using small holes along their
abdomen called air tubes or spiracles.
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PYQ - Science 2009 Sec.A.Q4 |
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PYQ - Science 2009 Sec.A.Q4
Ahmad finds that many of his paddy plants are destroyed by rats. Which of the
following animals can help Ahmad to solve his problem?
阿莫发现他大部分的稻秧被老鼠破坏了。下面哪些动物可以帮忙阿莫解决问题？
A I, II
B I, IV
C II, IV
D II, III
Answer 答案 : B
Rats can be eagles' or owls' food.
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PYQ - Science 2009 Sec.A.Q5 |
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PYQ - Science 2009 Sec.A.Q5
Ms Lina is preparing food in the school canteen. Which of the following is
the most effective for preventing bacteria from spreading to the food?
丽娜女士正在学校的食堂准备食物。下面哪项能最有效地防止细菌散布到食物里？
A Use a plastic plate to serve the food
用塑料盘来盛食物
B Wash hands before preparing the food
准备食物前先洗手
C Wear head cover
戴上头巾
D Use a new table cloth
用新的桌布
Answer 答案 : B为了有效防止细菌的繁殖，首先要确保接触食物的手要清洁。
To prevent the growth of bacteria, we should wash our hands and make sure
they are clean before touching the food.
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PYQ - Science 2009 Sec.A.Q6 |
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PYQ - Science 2009 Sec.A.Q6
Diagram 2 shows a boy’s reaction when a frog suddenly leaps towards him.
图 2 显示一个男孩在看到一只青蛙突然扑向他是所做出的反应。
Diagram 2/ 图 2
what conclusion can be made from the boy’s reaction？
从这个男孩的反应中可做出什么结论？
A。Humans will shout when they get shock
人类在受惊吓是会喊
B。Humans respond to stimulus
人类受到刺激时会有所反应
C。Humans protect themselves from danger
人类遇到危险时会自我保护
D。Humans can think
人类可以思想
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PYQ - Science 2009 Sec.A.Q7 |
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PYQ - Science 2009 Sec.A.Q7
What is the meaning of organic waste?
什么是有机废弃物？
A。Waste that cannot decay
不能腐化的废物
B。Waste produced from the home
从住家所制造的废物
C。Waste produced from plastic
从塑料制造的废物
D。Waste produced by plants
从植物所制造的废物
Answer 答案 : D
有机废弃物指的是从植物所制造的，可以在土壤中被分解。Organic waste define as waste which is produced by
plants or animal sources and it can be broken down by other living animals.
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PYQ - Science 2009 Sec.A.Q8 |
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PYQ - Science 2009 Sec.A.Q8
Lisa has some tilapia fish in a container. After four weeks, she notices that
the size of those fish has not changed. Which of the following can increase the
size of the fish?
丽莎在一个容器里饲养了一些个非洲鱼。四个星期后，她发现鱼儿的体积都没有改变。下面哪项可以增加这些鱼的体积？
A。Give more food to the tilapia fish in her container
给容器里的非洲鱼多一些食物
B。Add more varieties of types of fish in the container
在容器里加入更多种类的鱼
C。Reduce the amount of water in the container
减少容器里的水量
D。Put the tilapia fish into a bigger container
将非洲鱼放入一个更大的容器
Answer 答案 : A
如果我们加入更多种类的鱼或减少容器中的水会直接提高鱼之间的竞争，在食物的分量不变下，这样的情况会使鱼的体积下降。答案D，更换更大的容器，在短的时间内并不会直接影响鱼的体积，除非是过了更长的时间后，鱼需要更大的空间来成长。
If we were to add more types of fish or reduce the amount of water in the
container, it will cause more competence between them and as a result the
size of fish will decrease. For answer D, change a bigger container will not
affect the size of the fish if you didn't add on more food to it.
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PYQ - Science 2009 Sec.A.Q9 |
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PYQ - Science 2009 Sec.A.Q9
Ali's toy car takes 5 seconds to complete a distance of 20 metres. What is
the speed of the toy car?
阿里的玩具汽车以 5 秒钟完成20 米的距离。该玩具汽车的速度是多少？
A。4 metres per second
每秒 4 米
B。8 metres per second
每秒 8 米
C。15 metres per second
每秒 15 米
D。20 metres per second
每秒 20 米
Answer 答案 : A
20米除以5秒=每秒4米的速度
Speed = 20metres divide by 5 second equals to 4metres per
second.
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PYQ - Science 2009 Sec.A.Q10 |
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PYQ - Science 2009 Sec.A.Q10
Which of the following can be used to measure time instead of a stop watch?
以下哪项可以代替秒表来测量时间？
A。F and G
B。F and H
C。G and I
D。H and I
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PYQ - Science 2009 Sec.A.Q11 |
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PYQ - Science 2009 Sec.A.Q11
Which pair is correct?
哪项的搭配是正确的？
Answer 答案 : B
A 体积Volume =cm3立方厘米
C 面积Area = cm2平方厘米
D 周长Perimeter= 米 或者cm 厘米
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PYQ - Science 2009 Sec.A.Q12 |
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PYQ - Science 2009 Sec.A.Q12
Diagram 3 shows four containers, U, V, W and X, which contain the same volume
of water.
图三显示的四个容器，U，V，W 和 X，各装了相同体积的水。
Diagram 3 / 图3
Starting from the container with the lowest rate of evaporation, arrange the
containers in sequence.
从蒸发率最低的容器开始，顺序排列上述的容器。
A。V, X, U, W
B。X, V, W, U
C。W, U, X, V
D。V, X, W, U
Answer 答案 : A
面积越大蒸发的速度越快。
The wider the area, the faster the speed of evaporation.
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PYQ - Science 2009 Sec.A.Q13 |
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PYQ - Science 2009 Sec.A.Q13
The following information shows some uses of light.
下面的资料显示光的一些用途。
Which of the following show the principle of light reflection?
下面哪项可以说时明光反射的原理？
A。U and V
B。V and W
C。W and X
D。V and X
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PYQ - Science 2009 Sec.A.Q14 |
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PYQ - Science 2009 Sec.A.Q14
Diagram 4 shows an investigation when an iron nail is put into a beaker of
water.
图 4 显示将一枚铁钉放入一个有水的烧杯里的实验。
Which statement explains this observation?
哪项的说明解释了上述的观察？
A。The nail was heated
铁钉经过加热
B。The nail shrink
铁钉收缩了 C。The nail is rusty
铁钉生锈了。
D。The nail is a metal
铁钉是一种金属
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PYQ - Science 2009 Sec.A.Q15 |
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PYQ - Science 2009 Sec.A.Q15
Diagram 5 shows an investigation about the flow of electric current.
图 5 显示有关电流的流动试验。
What will happen if the iron rods are replaced by plastic rods?
如果用塑料棒取代铁棒，将会怎样？
A。The plastic rods become hot
塑料棒变热
B。The orange juice volume becomes lesser
橙汁的容量会减少
C。Air bubbles are produced in the beaker
烧杯里产生气泡
D。The bulb does not light up
灯泡不会发亮
Answer 答案 : D
铁棒是电导体所以可以使灯泡发亮，而塑料棒是绝缘体无法使灯泡发亮。
The iron rod is an electric conductor, therefore it is enable the light bulb
to shine, but the plastic stick is a insulator which fail to do so.
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PYQ - Science 2009 Sec.A.Q16 |
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PYQ - Science 2009 Sec.A.Q16
The following information shows the steps to measure the volume of liquid.
下面的资料显示测量液体的体积的步骤。
Choose the correct sequence of the steps.
选出正确排列的步骤。
A。W, Y, X
B。Y, W, X
C。X,W, Y
D。Y, X, W
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PYQ - Science 2009 Sec.A.Q17 |
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PYQ - Science 2009 Sec.A.Q17
The following statements are about four activities, U,
V,W and
X.
下面是有关四个活动，U、V、W 和
X 的说明。
Which activities show the transformation from chemical energy to light energy
and heat energy?
哪些活动显示化学能转换为光能和热能？
A。U, V
B。U, X
C。V, W
D。W, X
Answer 答案 : C
A 吹风筒 Hair dryer（电能 electric energy - 热能 heat energy）
B 冷气 Air Conditional（电能 electric energy - 热能 heat energy + 动能 kinetic evergy）
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PYQ - Science 2009 Sec.A.Q18 |
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PYQ - Science 2009 Sec.A.Q18
Diagram 6 shows an experiment to test whether light can pass through three
object, O, P and Q.
图6是探讨光能否透过三种物体，O，P 和 Q.
Diagram 6 / 图 6
Which of the following describes- the properties of the objects?
下面哪项说明了这些物体的性质？
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PYQ - Science 2009 Sec.A.Q19 |
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PYQ - Science 2009 Sec.A.Q19
Table 1 shows the physical properties of three materials, O, P and Q.
表 1 显示三种材料，O、P 和Q 的物理性质。
Table 1 / 表 1
Which of the following represent O (Wood), P (Rubber) and Q(Iron rod?
下面哪项代表O、P 和 Q?
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PYQ - Science 2009 Sec.A.Q20 |
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PYQ - Science 2009 Sec.A.Q20
Diagram 7 shows an activity to study the properties of gas.
图 7 是探讨气体性质的一项活动。
Diagram 7/ 图 7
What will happen to the smoke when the cardboard is removed?
把纸卡拿开后，烟会有什么变化？
A。Still stays in container Q
还停留在容器 Q 里
B。Fills up the space in both containers P and Q
填满容器 P 和 Q 的空间
C。Fills up the space in container P only
只填满容器 P 的空间
D。Escape from the containers
从两个容器里泄出
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PYQ - Science 2009 Sec.A.Q21 |
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PYQ - Science 2009 Sec.A.Q21
A fisherman has caught a lot of fish. Flow can he avoid the fish from
rotting?
一位渔夫捕获了很多鱼。他要怎样才能避免这些鱼腐坏？
I Keep the fish in a freezer
将鱼储存在电冰柜里
II Wash the fish with distilled water
用蒸馏水把鱼清洗
III Salt the fish
用盐腌鱼
IV Soak in plain water
浸泡在清水里
A。I, II
B。I, III
C。III, IV
D。II, IV
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PYQ - Science 2009 Sec.A.Q22 |
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PYQ - Science 2009 Sec.A.Q22
Diagram 8 shows a group of balls representing five planets in the Solar
system.
图 8 显示代表太阳系里五个行星的一组球。
Diagram 8 / 图 8
Starting from the planet nearest to the Sun, arrange the planets in the
correct sequence.
从最靠近太阳系的行星开始，顺序排列这些行星。
A。M, P, O, Q, N
B。P, Q, M, N, O
C。N, Q, O, P, M
D。Q, N, O, O, M
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PYQ - Science 2009 Sec.A.Q23 |
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PYQ - Science 2009 Sec.A.Q23
Diagram 9 shows the phenomenon of a total eclipse of the Sun.
图 8 显示日全食的现象。
Which of the following shows the positions of the Sun, the Moon and the Earth
during this phenomenon?
下面哪项是在发生上述现象时，太阳、月球和地球的正确位子？
A。
B。
C。
D。
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PYQ - Science 2009 Sec.A.Q24 |
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PYQ - Science 2009 Sec.A.Q24
Which statement is true about asteroids?
以下有关小行星是正确的？
A。They are a lump of ice and dust that orbits around the Sun
它们是围绕着太阳运行的固态气体和尘埃
B。They are chunks of rock that travel around the Sun
它们是一块块围绕着太阳运转的岩石
C。They are bright streaks of light across the night sky
它们有会发光的长尾巴
D。They are objects that move around a planet
它们是围绕着行星运行的天体
Answer 答案 : D
Asteroid is any of numerous small celestial bodies composed of rock and metal
that move around the sun (mainly between the orbits of Mars and Jupiter)
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PYQ - Science 2009 Sec.A.Q25 |
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PYQ - Science 2009 Sec.A.Q25
Diagram 10 shows the apparatus set-up used to investigate the occurrence of
day and night.
图 10 显示一个用来观察黑夜与白昼的形成装置。
Diagram 10/ 图 10
Which holes on the box allow a torch to shine correctly on the ball?
盒子的哪个洞孔可以让手电筒的光线正确地照射在小球上？
A。R, S
B。S, P
C。P, Q
D。Q, R
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PYQ - Science 2009 Sec.A.Q26 |
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PYQ - Science 2009 Sec.A.Q26
Diagram 11 shows information gathered from an observation on the night of the
15th Lunar.
图 11 显示一项在农历15日晚上做出观察后收集到的资料。
What is the phenomenon?
这是什么现象？
A。Occurrence of day and night 黑夜与白昼的形成
B。Lunar Eclipse 月食
C。Phases of the Moon 月相
D。Solar Eclipse 日食
Answer 答案 : B
这时如果地球和月亮的中心大致在同一条直线上，月亮就会进入地球的本影，而产生月全食。如果只有部分月亮进入地球的本影，就产生月偏食。
A lunar eclipse occurs when the moon passes behind the earth such
that the earth blocks the sun's rays from striking the moon. This can occur
only when the Sun, Earth and Moon are aligned exactly, or very closely so,
with the Earth in the middle.
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PYQ - Science 2009 Sec.A.Q27 |
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PYQ - Science 2009 Sec.A.Q27
Table 2 shows the result of an investigation using the direction of shadows.
表 2 显示有关应用影子的方向所进行的实验方向所进行的实验结果。
What is the conclusion of the investigation?
这个实验的结论是什么？
A。The Earth rotates on its axis from West to East
地球绕着地轴从西向东自转
B。Shadows change direction due to the movement of the Sun
影子随着太阳的移动而改变方向
C。Shadows are formed when the sunlight is blocked
影子的形成是因为阳光被阻挡着
D。The Earth rotates on its axis from East to West
地球绕着地轴从东向西自转
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PYQ - Science 2009 Sec.A.Q28 |
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PYQ - Science 2009 Sec.A.Q28
Which structure is the most stable?
下面哪个结构最平稳？
A。
B。
C。
D。
Answer 答案 : A
底部面积越大，结构越平稳。
The bigger the base area is, the more steadier structure will be. |
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PYQ - Science 2009 Sec.A.Q29 |
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PYQ - Science 2009 Sec.A.Q29
Diagram 12 shows the gears on Ali's bicycle.
图 12 显示阿里的自行车上的齿轮。
Diagram 12 / 图 12
What will happen when the chain shifts from gear P to gear Q?
当链从齿轮 P 移到齿轮 Q 时，将会怎样？
A。The speed increases
速度增加
B。The pedaling force increases
踩得力度增加
C。The pedaling force decreases
踩得力度减少
D。All above is correct.
以上皆是
Answer 答案 :
C
从P齿轮（小齿轮）转至Q齿轮（大齿轮）时速度会变慢但较省力。
From gear P transfers to the gear Q, the speed will slow down, but will
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PYQ - Science 2009 Sec.A.Q30 |
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PYQ - Science 2009 Sec.A.Q30
Which of the following involves a lever principle?
以下哪项是与杠杆原理有直接关系的？
A。
B。
C。
D。
Answer 答案 : D
A 螺旋 Screw
B 滑轮 Pulley
C 尖劈 Wedge
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