A) They cost little to make. B) They were extremely innovative. C) They weren't very hygienic. D) They helped keep teeth clean.
A) the stem of a toothbrush B) an animal hair used to make a brush C) a part of a hog D) a special toothbrush
A) true B) false
A) because people chewed on them to help clean the teeth B) because people chewed them after using them C) because they tasted better when chewed D) because they were chewed on by animals
A) It was cheaper than previous toothbrushes. B) It originally used animal hairs. C) It was vry popular when it was invented. D) It worked better than any toothbrush before it.
A) Manufacture it in factories. B) Test it on mosquitoes. C) Give it away to a variety of stores. D) Sew it into specific brands of clothing.
A) To highlight the need for an improved product. B) To indicate most people probably knew this fact already. C) To emphasize the importance of repellants. D) To show readers why mosquitoes are annoying.
A) The ingredients in standard bug repellants B) the type of chemical used in the patch C) the reason why mosquitoes bite people D) the way the patch has been tested with the public
A) Mosquitoes are Pesky B) Carbon Dioxide: Perfume of the Mosquito C) Avoid Chemicals in Common Repellants D) A Safe Solution to Pesky Mosquitoes
A) false B) true |