Choose the word or set of words that best fits the meaning of the sentence as a whole.

1. A groundbreaking exhibition is showcasing Iraq 's rich roots in Mesopotamia , the region between the Tigris and Euphrates rivers that gave __________to the world's first urban civilization some 5,000 years ago.

2. In each __________, scanners detected increased blood __________ in relevant parts of the brains of hypnotized subjects who were put through color and pain tests.

3. A voluntary school drug-testing __________ proposed by the mayor and school superintendent __________ make this crime-plagued city the first to experiment with this approach.

4. A solid __________ of Americans say they want Congress to legalize the importation of lower-priced medicines from Canada and Europe , and would be willing to pay higher taxes to provide prescription drug benefits to __________ citizens.

5. Its ___________ includes such treasures as woven funerary shoes from a royal tomb in ancient Thebes and a rare pair of Inuit boots ___________ of eider skin.

6. With tools such as lasers, climate-controlled research chambers and, of course, computers, Hatfield and his ___________ are bringing soil science into the next ___________.

7. Marks, ___________ forecaster, estimates that, compared to the administration's dividend tax cuts, extending unemployment benefits would produce a 20 times ___________ positive effect on the gross domestic product.

8.

9. As younger workers watch parents and others in ___________ generations go back to work after retiring because their savings were not ___________, they still aren't doing enough to provide for their own financial futures.

10. Many of the draft document's points ___________ ideas espoused for years by anti-globalization ___________.