demonstrates
A. People's concern about a lower living standard.
B. People's determination to improve their livelihood.
C. People's worry about energy shortage.
D. People's worry about climate change.
10.What does environmentalist Mark Alexander think is necessary
A. To sit in the dark.
B. To sit in the dark for an hour.
C. To reduce our daily energy consumption.
D. To increase energy output.
Part 5 Short passages and multiple choice questions (每小题: 1 分; 满分:10 分)
小题得分对错我的答案客观
1.1B B
2.1C C
3.1D D
4.1C C
5.1B B
6.1C C
7.1B B
8.1A A
9.1D D