Enter Category Name
State three types of sampling.
snowball/stratified/random/quota/Systematic/cluster/opportunity
说出《留情》四位主人公的名字
米先生，敦凤，杨老太太，杨太太
State the period of the function y=cos(3x)
120 degree or 2/3pi
State the definition of growth.
Growth: an increase in organism’s net mass and size.
State 2 uses of aluminum
Wires/making aircraft/cook/making alloys…….
State the formula to calculate the elasticity of demand.
(in word or in symbols)
quantity changed in demand/quantity changed in price
or
Q(delta)D/Q(delta)P
吕宗贞有什么不可触犯的逆鳞？
说出以T开头的20个单词
（1min）
言之有理即可
How to make slag
equation to make CaSiO2,Ca3(PO4)2
Find the equation of the perpendicular bisector of PQ which P(5,9)and Q(2,13)
Y-11=0.75(x-3.5)
state three forms of logic fallacy
False statement/over generalizations /slippery slope/begging the question………
画出C5H12的5个结构式
Give valid answer.
汉译英
针灸
忽略
谣言
业余的
Acupuncture/neglected/rumor/amateur
Tumelo sells on credit. The terms of trade are listed.
list price: $200 per unit
credit period: 60 days
trade discount 15% if 10 units or more are purchased cash discount 3% if the debt is paid within one month
A credit customer purchased 20 units and paid the debt within 15 days. What was the total of the invoice?
$3400
Explain that why UN workers may be biased.(4 reasons)
for BHR
加油
Describe an occasion when you wore your best clothes.
You should say:
When it happened
Where it happened
What kind of clothes you wore
And explain why you wore it
加油
There are two types of software: system and applications.
Give two examples of system software.
Give valid answer
State three strength and three limitation to use longitudinal study.
Valid answer
Explain the process of parachute
(give the graph of motion)
Give valid answer
Analyse how inflation is measured. (6)
Valid answer
Prove that x=-b土(b^2-4ac
)^0.5/2a
give valid answer
The diagram shows a circle inscribed inside a square of side length 10 cm.
A quarter circle, of radius 10 cm, is drawn with the vertex of the square as centre. Find the shaded area.
14.6cm^2
State your opinion towards human rights
(3min)
Language required
（600-800）解释为什么吕宗贞在封锁期间是吴翠远眼中的“真人”。
Valid answer
Does schools squander students’ creativity?
(三个人一人一分钟，接着前面的话说）得分情况由主办方看着办）
加油哟