The World of Words: Vocabulary for College Success ... - eLibrary

292 Chapter 9 Word Elements: Numbers and Measures6. Since weeds are a(n) problem, people mustconstantly care for their gardens.7. The old piece of iron will soon into a rustypowder.8. We got lost when we tried to follow my uncle’sdirections.9. Oklahoma, admitted to the United States in 1907, celebrated itsin 2007.10. Grades are a common for measuring students’success.■ Using Related WordsComplete each sentence with the correct form. Use each choice only once.1. symmetry, symmetrically, symmetries, symmetricalScientists have determined that many birds look forof physical features when they are choosinga mate. Female swallows, for example, prefer mates with long,tails. Female zebra finches look for maleswith the sameformed decorations in theirleg bands. It is thought that theseof health.2. ambivalent, ambivalenceare signsThe U.S. public remainsabout the use ofhuman stem cells in medical research. On one hand, these cellsshow promise in developing medical treatments for heart problems,Parkinson’s disease, and spinal injuries. On the other hand, the useof human material makes many people uncomfortable. Thishas been reflected in polls on this subject.Copyright © Cengage Learning. All Right Reserved.