글의 흐름으로 보아 빈칸에 들어갈 단어를 순서대로 고른 것은?For c… | [9급 서울시 영어] 17년 2회차 기출문제 상세 페이지

글의 흐름으로 보아 빈칸에 들어갈 단어를 순서대로 고른 것은?
For centuries, people gazing at the sky after sunset could see thousands of vibrant, sparkling stars. But these days, you’ll be lucky if you can view the Big Dipper. The culprit: electric beams pouring from homes and street lamps, whose brightness obscures the night sky. In the U.S., so-called light pollution has gotten so bad that by one estimate, 8 out of 10 children born today will never encounter a sky __________ enough for them to see the Milky Way. There is hope, however, in the form of astrotourism, a small but growing industry centered on stargazing in the worlds’ darkest places. These remote sites, many of them in national parks, offer views for little more than the cost of a campsite. And the people who run them often work to reduce light pollution in surrounding communities. __________ astrotourism may not be as luxurious as some vacations, travelers don’t seem to mind.

dark - Although

bright - Because

dark - Since

bright - In that