Fill in the blanks with the words or expressions given. Change the form if necessary. rural widespread dramatic gain trend response promote poll mysterious percentage go down along with a great deal of at a ... rate for the purpose of 1. He soon realizes that there is something __________ about his background. 2. Some children learn ________ slower ________. It would be unfair to expect a child with learning difficulties to keep up with faster learners. 3. Companies trying to sell and ________ products know that product research plays a vital role in sales success. 4. ______________ conducting a survey about people’s favorite foods, they formed a special team. 5. Consider how your lifestyle would change if your income ________ by 50-60%. 6. Judging by the ________ of the audience, he has made an effective speech. 7. The World Wide Web is able to provide us with access to ____________ information on a variety of subjects. 8. The study finds that people living in towns and cities are not necessarily healthier and happier than those living in ________ areas. 9. __________ many attractions all over the world, zoos face one common question: How can they encourage repeat visits? 10. The advance in communications has brought ________ changes in the way people live.