Happy people work differently. They’re more productive， more creative， and willing to take greater risks. ③And new research suggests that happiness might influence（1）firm’s work， too.

Companies located in places with happier people invest more， according to a recent research paper. （2）， firms in happy places spend more on R&D (research and development). That’s because happiness is linked to the kind of longer-term thinking （3）for making investments for the future.

The researchers wanted to know if the （4）and inclination for risk-taking that come with happiness would （5）the way companies invested. So they compared U.S. cities’ average happiness （6）by Gallup polling with the investment activity of publicly traded firms in those areas.

（7）enough， firms’ investment and R&D intensity were correlated with the happiness of the area in which they were（8）.But is it really happiness that’s linked to investment， or could something else about happier cities （9） why firms there spend more on R&D? To find out， the researchers controlled for various （10） that might make firms more likely to invest – like size， industry， and sales – and for indicators that a place was （11）to live in， like growth in wages or population. The link between happiness and investment generally（12）even after accounting for these things.

1. [A] why [B] where [C] how [D] when
2. [A] In return [B] In particular [C] In contrast [D] In conclusion
3. [A] sufficient [B] famous [C] perfect [D] necessary
4. [A] individualism [B] modernism [C] optimism [D] realism
5. [A] echo [B] miss [C] spoil [D] change
6. [A] imagined [B] measured [C] invented [D] assumed
7. [A] Sure [B] Odd [C] Unfortunate [D] Often
8. [A] advertised [B] divided [C] overtaxed [D] headquartered
9. [A] explain [B] overstate [C] summarize [D] emphasize
10. [A] stages [B] factors [C] levels [D] methods
11. [A] desirable [B] sociable [C] reputable [D] reliable
12. [A] resumed [B] held [C]emerged [D] broke