TOEFL Exercise
Choose the letter of the underlined word or group of words that is not correct.
1- Amelia Earhart, the first woman to fly solo across the Atlantic, disappeared on June 1937 while attempting to fly around the world.
2- The occurrence edema indicates the presence of a serious illness.
3- Atomic nuclei arebelieved to be composed by protons and neutrons in equal numbers for the lighter elements.
4- According legend, Betsy Ross designed and sewed the firstAmerican flag.
5- The middle ear is attached for the back of the throat by the Eustachian tube.
6- Plants that sprout, grow, bloom, produce seed, and die withinone year are classified for annuals.
7- A marionette is controlled by means strings connectedto wooden bars.
8- In January of 1861, Pat Garrett Billy the kid in a house close fort Summer.
9- Many comfort heating systems using steam as a working fluid operateat the convection principle.
10- Mars' two small moons are irregularlyshaped and covered forcraters.
Preposition
1- The Canadian province of British Columbia is rich of minerals and, because over 50% of the land is covered with forests, lumbering is its major industry.
2- Much of the significant research related for the theory of numbers concerns the distribution of prime numbers.
3- Lauren Bacall made her film debut in To Have and Have Not, starring together Humphrey Bogart, who later became her husband.
4- On steep hillsides, tree roots bind to soil that might otherwise be
washed away if heavy rains.
5- Gold or silver bullion servo into commerce as mediums of exchange all over the world.
6- In 1989, president George Bush appointed Carla A. Hills ______a special trade representative.
(A) to
(B) as
(C) like
(D) Be
7- The delicate color of rose quartz is due the presence of manganese in the mineral.
8- Most large corporations have personal departments responsible to hiring and firing workers and for keeping employee records.
9- In the company of human beings, parrots demonstrate a remarkable talent for mimicry, for which they never use in the forest.
10- Psychology did not develop into a science based of careful Observation and experimentationuntil the late 1800s.
11- Limestone long has been quarried for to useas a building stone.
12- Ralph Waldo Emerson's belief______the individual freedom of all people greatly influenced later American thinkers.
(A) as of
(B) on
(C) in
(D) as if
13-Placebos look like real drugs, but most consist only in sugar or a Salt solution.
14- In about 1960, chemists have developed synthetic pheromones that are used to control insect pests.
15- The spinal cord is the main pathway for messages traveling between the brain to the rest of the body.
16- Most species of pigeons live in flocks, and many of the flocks consist more than one species.
17- The amount of pectin in a fruit depends the species and ripeness.
18- The cracking of rocks is caused of intense heat during the day followed by rapid cooling at night.
19- Giant tortoises live to great ages, and specimens have been known to live from 100 and 150 years.
20- Many plains, such the Great Plainsin the United States, have few trees because of try or cold climates.
21- A coral reef consists in millions of tiny coral polyps which are a form of small animal related anemones and jellyfish.
Exercise on Prepositions
Identify one of the underlined words or phrases A,B,C, or D, that should be rewritten or corrected.
1- The rocky island of Alcatrazain San FranciscoBaywas discovered by the Spanish in 1769s, and named by its large pelican colony.
2- Bacteria are responsible of many of the textures and flavors in our food and are particularly important in milk products.
3- Art Nouveau, a style that was in fashion in the 1890s, was basedof long curving lines inspired by climbing plants.
4- The brain is made up ofbillions of neurons that differ with each greatly in size and shape.
5- Wood, the hardened material from which trees are composed, is made up of millions of tiny tubes of fibers packed together.
6- Animals that live in areas that are covered in snow in winter change the color of their coat according the seasons.
7- The need for vitamins of our diet was discovered by the Dutch doctor Christiaan Eijkman in 1896.
8- Many of the satellitesof space carry telescopes and other instruments used in astronomy to look at the stars.
9- Homes that have cable television get their programs from a localtelevision station through a cableconnected with the set.
10- Henry David Thoreau stressed the importance in individuality and of living in harmony with nature.
11- The hormone insulin controls bythe amount of sugarin the blood which provides energy for the body.
12- Frogs get much of their oxygen by means blood capillaries in the surfaceof the skin.