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【单选题】

Carbon intensity measures the carbon emissions per unit of economic activity. Which country has the highest carbon intensity?

A.
Japan
B.
China
C.
Sweden
D.
France
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【单选题】Rainforests in Yunnan are mainly located in the ______.

A.
Jinpo Autonomous Prefecture
B.
Hani Autonomous Prefecture
C.
Bai Autonomous Prefecture
D.
Dai Autonomous Prefecture

【单选题】The aim of the Kyoto Protocol is to:

A.
Protect the ozone layer by phasing out ozone-depleting chemicals
B.
Make education for sustainable development a priority in the UN
C.
Reduce greenhouse gas emissions
D.
Fight deforestation

【多选题】Which are the new challenges in digitalization?()

A.
Failure to process information
B.
Decreasing prices and costs for resources
C.
Volatility of prices and speed of business
D.
Emerging business networks

【单选题】The world population in 2014 is:

A.
5.5 billion
B.
8 billion
C.
11 billion
D.
7 billion