Electronic goods such as laser prints and computers all contribute to_____
A1 Gore works for a clean energy company.
Microbubbles are automatically attracted to different cells depending on their size.
The more people you know,________(你能和他们相见的时间就越少).
Production ______(增长得更快)these years than(it did)in the previous years.
The possibility of government action to reduce emissions has led to greater investment in green technologies.