WorksheetsI&S - Unit 1 - Exam Review (1)
Total questions: 15
Worksheet time: 11mins
What is the global issue? 什么是全球性问题？
Discrimination
Poverty
War
Flooding
What is the global issue? 什么是全球性问题？
Discrimination
Drought
Endangered Animals
Terrorism
What is the global issue? 什么是全球性问题？
Climate Change
Deforestation
Famine
Plastic Pollution
Which year had the most deforestation in Brazil？
巴西哪一年的森林砍伐最多？
2004
2012
2014
2020
Since 2004, deforestation in Brazil has _________ .
自2004年以来，巴西的森林砍伐已经_________。
Increased 增加
Remained Constant
保持不变
Decreased 减少
Stopped 停止
How many square kilometers of forest was cleared in 2019?
2019年砍伐了多少平方公里的森林？
27,000km²
14,000km²
10,000km²
4,000km²
What is the layer of gases that surround the Earth called?
环绕地球的气体层叫什么？
Space 太空
Atmosphere
Soil
Ocean
Which gas is most abundant in the atmosphere?
大气中哪种气体最丰富？
Nitrogen (N₂)
Oxygen (O₂)
Carbon Dioxide (CO₂)
Argon (Ar)
Which gas is shown in the picture?
图中显示了哪种气体？
Nitrogen
Oxygen
Carbon Dioxide
Argon
What percentage of the atmosphere is Carbon Dioxide (CO₂)?
大气中二氧化碳 （CO₂） 的百分比是多少？
80%
20%
1%
0.04%
What kind of gases are shown in the picture？
图中显示了什么样的气体？
Greenhouse Gases
Smelly Gases
Combustion Gases
Noble Gases
惰性气体
Which two processes release carbon Dioxide (CO₂) into the atmosphere?
哪两个过程将二氧化碳 （CO₂） 释放到大气中？
Combustion
Photosynthesis
Respiration
Carbon Cycle
Burning Fossil fuels is one human cause of climate change.
Which is an example of a fossil fuel?
哪个是化石燃料的例子？
Coal
Nuclear Power
核电
Wood
Agriculture
How long do fossil fuels take to form？
化石燃料需要多长时间才能形成？
Tens of years
(10s)
Hundreds of years
(100s)
Thousands of years
(1000s)
Millions of years
(1000000s)
Fossil fuels are combusted to generate heat to create electricity.
化石燃料被燃烧以产生热量以产生电力。
Complete the combustion equation: fuel + O₂ → ____ + _____
Water
H₂O
Carbon Dioxide
CO₂
Natural Gas
CH₄
Solar Energy
太阳能
