大学MOOC 通用学术英语（2）（2021春）(山东大学)1462153162 最新慕课完整章节测试答案

Can 100% renewable energy power the world

1、单选题：
‏Approximately how long are fossil fuels going to last (at the present level of consumption)?‍
选项：
A: 10 years
B: Forever
C: Millennia
D: A century
答案: 【 A century】

2、单选题：
‌The sun shines lots of energy towards the earth. Approximately how many times more than our present levels of consumption?‏
选项：
A: 10,000
B: 2
C: 100
D: 1,000,000
答案: 【 10,000】

3、单选题：
​If we replaced ALL our present energy needs with solar cells, how much of the surface would need to be covered?‎
选项：
A: 1 square kilometer
B: 1 million square kilometers
C: 10,000 square kilometers
D: 1 billion square kilometers
答案: 【 1 million square kilometers】

4、单选题：
‎In theory, we could fly a large transatlantic flight by using batteries to power the aircraft. How many tons of batteries should the plane load for such a flight?​
选项：