Ⅰ. But while much of the research and innovation has concentrated on finding less-polluting energy alternatives, it may be decades before clean technologies like wind and solar meet a significant portion of our energy needs.(2012. 06 阅读 Text1)

【翻译】虽然现在调查和创新主要集中在寻找污染少的其他能源上，但是等到像风能、太阳能这样的清洁能源能满足我们大部分的能源需求可能仍需数十年。

【词汇】1. innovation n. 创新

例：Innovation is vital in modern society.

创新在现代社会十分重要。

2. alternative n. 二者择一，供替代的选择

例：I had no alternative but to leave this country.

我除了离开这个国家之外，别无选择。

3. solar a. 太阳的，太阳能的

例：solar cell 太阳能电池

4. portion n.(总体的)部分

例：A large portion of the building was destroyed in the fire.

房屋的大部分在火灾中被烧毁。

Ⅱ. Some propose storing the CO2 in coal mines or liquid storage in the ocean, Shell favors storing CO2 in deep geological structures such as saline formations and exhausted oil and gas fields that exist throughout the world. (2012. 06 阅读 Text1)

【翻译】有些建议将二氧化碳储存在煤矿里，或者以液态形式储存在海里，壳牌倾向于将二氧化碳储存在地质结构的深处，比如在世界各地存在的含盐结构或者已经被耗尽石油或者天然气的油田，气田。

【词汇】1. storage n. 保管;贮藏

例：Caves were used for storage.

洞穴过去被用来储存东西。

2. geological a. 地质学的

例：She is interested in geological study.

她对地质研究很感兴趣。

3. saline a. 盐的，咸的

例：There is a saline lake behind this mountain.

这座山的后面有一个盐湖。

4. formation n. 队形，构造

例：Family life has an important impact on the formation of children’s characters.

家庭生活对孩子性格的形成具有重要影响。

5. exhausted a. 耗尽的，精疲力竭的

例：My patience is exhausted.

我的耐心已经用尽。