1. The NEAR spacecraft will orbit the asteroid Eros for a year, slowly moving closer to the surface of the object to make ever more precise measurements that scientists hope will enable them to understand how the solar system formed some four billion years ago.
A. to make ever more precise measurements that scientists hope will enable them to
B. for making ever more precise measurements, and scientists hole that they will be able to
2. The Arthritis Research Institute of Anerica advises women of color that they have twice the likelihood to get osteoarthritis of the knee as do white women.
A. that they have twice the likelihood to get osteoarthritis of the knee as do white women
B. that they are twice as likely as white women to get osteoarthritis of the knee
3. By the same techniques used for genetically enhancing plants, making them disease or pest-resistant, researchers have been able to increase the amount of potein in potatoes.
A. By the same techniques used for genetically enhancing plants, making them
B. Employing the same techniques used to genetically enhance plants so that they are
C. Employing the same techniques for genetically enhancing plants that make them
4. Even though Clovis points, spear points with longitudinal grooves chipped onto their faces, have been found all over North America, they are named for the new Mexico site where they were first discovered in 1932.
A. Even though Clovis points, spear points with longitulinal grooves chipped onto their faces, have been found all over North America, they are named for the new Mexico site where they were first discovered in 1932.
B. Named for the new Mexico site where they have been first discovered in 1932, Clovis points, spear points of longitudinal grooves chipped onto the faces, have been found all over North America. |