10 free TOEFL iBT practice questions in the real exam format, covering the official content areas, with an explanation for every answer.
TOEFL iBT Practice Test 11Tutor mode
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Why Arches Last
For thousands of years, builders have used the arch to span wide openings in walls and bridges. Because mas____ (1) resists compr______ (2) extremely we__ (3) but cra___ (4) easily un___ (5) tension, a_ (6) arch i_ (7) ideal: i__ (8) shape chan____ (9) downward wei___ (10) along the curve and into the supports at each end. A flat stone beam of the same length, by contrast, would bend and eventually snap in the middle. This is why so many ancient bridges are still standing today.
Why Arches Last, gap 1: mas____ (…bridges. Because mas____ resists compr______…). Type the missing letters.