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......................................................................................................................3  \nPRACTICE TEST 48 ......................................................................................................................8  \nPRACTICE TEST 49 ....................................................................................................................13  \nPRACTICE TEST 50 ....................................................................................................................19  \nPRACTICE TEST 51 ....................................................................................................................24  \nPRACTICE TEST 52 ....................................................................................................................28  \nPRACTICE TEST 53 ....................................................................................................................32  \nPRACTICE TEST 54 ....................................................................................................................35  \nPRACTICE TEST 55 ....................................................................................................................40  \nPRACTICE TEST 56 ....................................................................................................................46  \nPRACTICE TEST 57 ....................................................................................................................51  \nPRACTICE TEST 58 ....................................................................................................................57  \nPRACTICE TEST 59 ....................................................................................................................62  \nPRACTICE TEST 60 ....................................................................................................................67  \nPRACTICE TEST 61 ....................................................................................................................73  \nPRACTICE TEST 62 ....................................................................................................................78  \nPRACTICE TEST 63 ....................................................................................................................86  \nPRACTICE TEST 64 ....................................................................................................................94  \nPRACTICE TEST 65 ..................................................................................................................102  \nPRACTICE TEST 66 ..................................................................................................................110  \nANSWER KEY ...........................................................................................................................118  \nPRACTICE TEST 47  \nPassage 1  \nBacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter a pinhead is about a millimeter across. Rod shaped bacteria are usually from two to tour microns long, while rounded ones are generally one micron in diameter Thus if you enlarged a founded bacterium a thousand times, it would be just about the size of a pinhead. An adult human  \nmagnified by the same amount would be over a mile(1 .6 kilometers) tall.  \nEven with an ordinary microscope, you must look closely to see bacteria. Using a magnification of 100 times, one finds that bacteria are barely visible as tiny rods or dots One cannot make out anything of their structure. Using special stains, one can see that some bacteria have attached to them wavy- looking \"hairs\" called flagella. Others have only one flagellum. The flagella rotate, pushing the bacteria though the water. Many bacteria lack flagella and cannot move about by their own power while others can glide","cbCaiqD2q2VCQ5X3","https://ap.wps.com/l/cbCaiqD2q2VCQ5X3","pdf",1580813,119,"English","# PRACTICE TEST 47\n## Passage 1\n## Passage 2\n# PRACTICE TEST 48\n# PRACTICE TEST 49\n# PRACTICE TEST 50\n# PRACTICE TEST 51\n# PRACTICE TEST 52\n# PRACTICE TEST 53\n# PRACTICE TEST 54\n# PRACTICE TEST 55\n# PRACTICE TEST 56\n# PRACTICE TEST 57\n# PRACTICE TEST 58\n# PRACTICE TEST 59\n# PRACTICE TEST 60\n# PRACTICE TEST 61\n# PRACTICE TEST 62\n# PRACTICE TEST 63\n# PRACTICE TEST 64\n# PRACTICE TEST 65\n# ANSWER KEY","[{\"question\":\"What types of questions are used in the practice tests shown here?\",\"answer\":\"The document uses multiple-choice reading comprehension questions (A–D) that assess main topic, specific facts, and reasoning from the passages.\"},{\"question\":\"What is the main topic of the bacteria passage in Practice Test 47?\",\"answer\":\"The main topic is the characteristics of bacteria, including their size, visibility under microscopes, and movement mechanisms.\"},{\"question\":\"How are answer keys provided in this document?\",\"answer\":\"An “ANSWER KEY” section is listed after the practice tests, covering the questions for the earlier tests.\"}]","A-colection-of-TOEFL-Reading-Comprehension-4 - Practice Tests 47-65 | PDF",1790731620]