Reading for Understanding Two #45A

Thelma Thurstone The McGraw-Hill Companies, Inc.

Answer the questions below and then click "submit" to send your answers.

  1. If there is air on the outside of a bowl-shaped object and a vacuum, or absence of air, on the inside, the object will be held against a flat surface by the pressure of air against its outside. A suction cup sticks to a wall because there is
  2. Your answer:
    almost no air outside the cup.
    as much air outside the cup as inside.
    almost no air inside the cup.
    more air inside the cup than outside.

  3. Temperatures increase with proximity to the equator. The Amazon River basin is right on the equator and is consequently very
  4. Your answer:

  5. Although hay is an adequate food for cows, any person who attempts to make a meal of hay will regret it. Our internal equipment simply cannot convert hay to tissue-building compounds. We find that hay is
  6. Your answer:
    unfit for cattle.
    worthless as a farm product.
    nutritious but unappetizing.
    indigestible by humans.

  7. Unlike television or radio, books do not insist upon immediate attention. They remain quietly upon the shelves, reserving the knowledge, amusement, or solace we may someday need, ready to relinquish it
  8. Your answer:
    as needed.
    at Christmas.
    to the library.

  9. On solid ice, the walrus is a clumsy, ugly beast. But once in the water, it is a changed being; for there it is
  10. Your answer:
    on guard.
    at ease.

  11. In many cities, sparrows are plentiful. They have solved their food problem by a kind of inverse commuting. True to their urban traditions, they build their nests in town. In the mornings they fly out to the country to forage in grainfields and barnyards. In the evening, full-fed, they
  12. Your answer:
    fly to local grainfields.
    return to the city.
    build nests in friendly barns.
    sleep on the farm.

  13. Planning the monthly expenses of businesses and of households would be much easier if all the months had the same number of
  14. Your answer:

  15. There is enough magnesium in the oceans to cover the entire surface of the earth to a depth of three meters. Magnesium has become more available because a method of extracting it from seawater has
  16. Your answer:
    become expensive.
    been discarded.
    become difficult.
    been developed.

  17. Be not forgetful to entertain strangers, for thereby some have entertained angels
  18. Your answer:

  19. The force of gravity on any of the planets is dependent on the mass of the planet. On Jupiter, the most massive planet, the pull of gravity is correspondingly great. The gravity pull on Pluto is very weak, because Pluto is a
  20. Your answer:
    heavy planet.
    planet with little mass.
    forceful planet.
    weak planet.

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