Following these definitions, the words are practiced in three exercises. TOEFL Prep I and TOEFL Prep II give straightforward practice in a variety of easy exercise styles. | 34 10. simulation n. An imitation or representation To test car safety automobile makers study crash simulations. Parts of speech simulate v simulator n TOEFL Prep I Circle the most likely meaning of the word part that is shared within each set of words. 1. circulate circumnavigate circuit The root circ circum probably means a. around b. broken c. fair d. straight 2. innovative novel renovate The root nov probably means a. clear b. old c. new d. sweet 3. installation implement imprison The prefix in- im- probably means a. aside b. behind c. in d. out TOEFL Prep II Circle the word that best completes each sentence. 1. Please make sure this information circulates derives throughout the office quickly. 2. The installation simulation of the new telephones took three days. 3. In order to stay on schedule we need to complete this project as expeditiously innovatively as possible. 35 4. The smuggler moved cautiously through the airport to avoid detection maintenance . 5. Years of neglect had caused the building s water pipes to corrode implement . TOEFL Success Read the passage to review the vocabulary you have learned. Answer the questions that follow. As dependence on computers increases so does the need for technical support. From installation of software to detection of viruses computers require constant vigilance. Most larger companies find it most expeditious to maintain in-house computer staff. Many smaller companies however can t fund their own full-time in-house technical help. Instead many of them assign the task of computer maintenance to a current employee who may not have any formal training. Rather these computer buffs have derived their skills through practice and self-training. These selfappointed tech specialists however often cannot solve bigger problems. What s more they may see their office relations corrode when they are swamped with basic user questions that they simply don t have time .