TOEFL Quiz
Preview:
___________ of precious gems is determined by their hardness, color, and brilliance.
A. The valuable
B. It is the value
C. It is valuable
D. The value
Mountaineers _______ climb Mount Everest must make reservations to do so, often up to seven years in advance.
A. want to
B. they want to
C. who want
D. wanting to
______________provided a living for nearly 90 percent of the population of the American colonies.
A. Farming was what
B. What farming
C. Farming was
D. What was farming
The upper levels of the sun’s atmosphere are of very low ______ heats the gases there to very high temperatures.
A. dense and solar
B. density, solar activity
C. density, but solar activity
D. density and the activity of the sun is
The flight instructor, ___________ at the air base, said that orders not to fight had been given.
A. when interviewed
B. when he interviewed
C. when his interview
D. when interviewing
_____________a tornado spins in a counterclockwise direction in the northern hemisphere, it spins in the opposite direction in the southern hemisphere.
A. However
B. Because of
C. Although
D. That
Only when air and water seep through its outer coat ___________.
A. does a seed germinate
B. to the germination of a seed
C. a seed germinates
D. for a seed to germinate
Most species of heliotropes are weeds, _______________ of them are cultivated.
A. some
B. but some
C. for some species
D. some species
Most slang terms are simply old words ________ additional new meanings.
A. give
B. given
C. are given
D. they are given
The planet Mercury __________rotations during every two trips around the sun.
A. three complete
B. completes three
C. the completion of three
D. completing three of the
The extinct Martian volcano Olympus Mons is approximately three times as _____________ Mount Everest.
A. high
B. high as is
C. higher than
D. the highest of
Researchers have long debated _____________ Saturn’s moon Titan contains hydrocarbon oceans and lakes.
A. over it
B. whether it
C. whether
D. whetherover
In prehistoric ___________ of western Utah was covered by Lake Bonneville.
A. times, a large part
B. times, there was a large part
C. part of the time
D. for large parts of time
Lapis Lazuli, ________ stone, hs been valued for ornamental purposes for more than 6000 years.
A. an opaque deep blue
B. is an opaque deep blue
C. it is an opaque deep blue
D. that is an opaque deep blue
The horn of the rhinoceros consists of a cone of tight bundles of keratin ______________ from the epidermis.
A. grow
B. grows
C. growing
D. they grow
_______________ in several early civilizations, a cubit was based on the length of the forearm from the tip of the middle finger to the elbow.
A. It was used as a measurement
B. A measurement was used
C. The use of a measurement
D. Used as a measurement
___________ seasonal rainfall, especially in regions near the tropics, is winds that blow in an opposite direction in winter than in summer.
A. Causing
B. That cause
C. To cause
D. What causes
The Caldecott medal, ______________ for the best children’s picture book, is awarded each January.
A. a prize
B. which prize
C. is a prize which
D. is a prize
Thunder occurs as ____________ through air, causing the heated air to expand and collide with layers of cooler air.
A. an electrical charge
B. passes an electrical charge
C. the passing of an electrical charge
D. an electrical charge passes
Nimbostratus clouds are thick, dark grey clouds __________ forebode rain.
A. what
B. which
C. what they
D. which they
Story of a Bad Boy,a semiautobiographical novel by Thomas Bailey Aldrich, ranks high among books ___________ have incorporated their boyhood experiences.
A. the American authors
B. which are American authors
C. in which American authors
D. are those which American authors
North Carolina’s outer banks are a chain of low, narrow islands ___________ the mainland from the frequent Atlantic storms in the area.
A. they buffer
B. that buffer
C. to buffer them
D. that they buffer
In the northern and central parts of the state of Idaho ______________ and churning rivers.
A. majestic mountains are found
B. found majestic mountains
C. are found majestic mountains
D. finding majestic mountains
__________ range in color from pale yellow to bright orange.
A. Canaries which
B. Canaries
C. That canaries
D. Canaries that are
The helicopter is able to hover in ___________ powered rotors produce lift even at zero forward speed.
A. flight because of the
B. flying the
C. the flying of the
D. flight because the
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