题目内容：
What is the author's attitude towards the future of solar energy systems?
参考答案：
答案解析：
单选题：What is the author's attitude towards the future of solar en
- 题目分类：英语
- 题目类型：单选题
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What do the authors think of living a sustainable life?（ ）
What do the authors think of living a sustainable life?（ ）
Which of the following shows the process of the impact of at
Which of the following shows the process of the impact of atmospheric CO2 'on se
What does the writer intend to tell us in the last paragraph
What does the writer intend to tell us in the last paragraph?
下列对原文有关内容的分析和概括，正确的一项是（）
下列对原文有关内容的分析和概括，正确的一项是（）
请在42处填写答案。（ ）
请在42处填写答案。（ ）