I&S - Unit 1 - Exam Review (1)

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%