英語高手幫個忙!
幫忙查一下以下幾篇閱讀出自哪里?（只有第一句話）
1It remains to be seen if we have a future;.
2Serving on a jury takes a great deal of time.
3Genetically engineered crops have flourished in the United States since their introduction four years ago.
4From the late eighteenth century to the late twentieth;.
5They'ren neither co-opted conservatives nor keep-it-real black nationalists.
萬分感謝!
最好是出自我國的各類考試的哪份試卷？