870 câu luyện thi Toeic

ure may be drop to 
 A B C 
near freezing,
 D
811. The age of a geological sample can be estimated from the ratio of radioactive to nonradioactive carbon 
 A B 
present in the object is examined.
 C D
Answer. 806. (A) 807. (D) 808. (D) 809. (C) 810. (C) 811. (D) 
812. Ancient people made a clay pottery because they needed it for their survival.
 A B C D
813. Ancient people used pot they made for cooking, storing food, and carrying things from place to place.
 A B C D
814. The pottery was so important to early cultures that scientists now study it to learn more about ancient 
 A B C
civilizations.
 D
815. The more advanced the pottery in terms of decorations, materials, glazes, and manufacture, the more
 A B C D
advanced the culture itself.
 E
816. Good pottery clay must be free from all small stones and other hard material that would make the potting 
 A B C 
process difficult.
 D
817. Plain wire is used to cut away the finished pot from its basis on the potter's wheel.
 A B C D
Answer. 812. (A) 813. (A) 814. (A) 815. (B) 816. (A) 817. (D) 
818. The Puritans, the religious sect that dominated the early British colonies in North America, regarded idleness
 A 
as sin, and believed that life in an underdeveloped country made it absolutely necessary that each member
 B C 
of the community perform an economic function.
 D
819. The first such attempt the ambitious Project Mohole, got under way during the 1960's and proved the value
 A 
of deep-sea drilling by making several test holes in the mantle beneath the crust before spiral costs led to 
 B C
its cancellation.
 D
820. The gymnosperms were ........................ of water for reproductive purposes.
(A) independent to be the first plants
(B) the first independent plants to be 
(C) the first plants to be independent 
(D) to be the first independent plants 
821. simple pressure gauges such as liquid-level manometers are .................. insensitive for use in vacuum works.
(A) too (B) so (C) than (D) enough
Answer. 818. (B) 819. (C) 820. (C) 821. (A) 
822. A single infection can yield a diverse swarm of viral offsprings.
A B C D
823. And if one of those offsprings sports an Hantigen that few hosts have ever encountered, it can render
 A B C
millions of people defenseless.
 D
824. Suppose, for example, that some variant of H3N2 virus manages to slip past half the antibodies that 
 A B C
would neutralize its past.
 D
825. These seismic events apparently start when a single host is simultaneously infected with flu virus from 
 A B C D 
two different species,
826. Nestled along the shoreline of Hudso Bay .......................
(A) are several recently settled lnuit communities are there 
(B) several recently settled lnuit communities are there 
(C) near several recently settled lnuit communities 
(D) is where several recently settled lnuit communities
827. '98 1。 TOEFL a neighbor 。 a neighborhood 。。?
Answer. 822. (D) 823. (A) 824. (B) 825. (B) 826. (A) 
828. Even the best of drivers can have an accident if they are tired and driving conditions are bad.
 A B C D
829. "What is the difference?" "This furniture is different from ......................."
(A) that book (B) yours (C) that one (D) that
830. Unlike the budgets of some countries, ..................... focuses chiefly on expenditure.
(A) that of the United States (C) those of the United States
(B) which the United States (D) the United States
831. Every spring trains of covered wagons rolled over the Oregon Trail to the promise of better life across
 A B C D
the continent.
0
832. So when Whitman returned to the Pacific that year, over thousand settlers went with him.
 A B C D 
833. Because of this great migration, England made an agreement with the United States, and Oregon became
 A B 
the American territory in 1846.
 C D
Answer. 828. (B) 829. (D) 830. (A) 831. (C) 832. (D) 833. (C) 
834. The Canadian National Railway was built ..............................
(A) to link (B) linked (C) links (D) to be linked
835. Desert shrub also have tiny leaves that lost little moisture on a hot day.
 A B C D 
836. If Texas joined in the Union, therefore, Northerners felt that American slavery would be extended.
 A B C D 
837. In famous experiment conducted at the University of Chicago in 1983, rats kept from sleeping died after 
 A B C 
two and a half weeks.
 D
838. Driving while tired "is very similar to drive drunk," says Michael Bonnet, director of the sleep laboratory 
 A B C D
at the Dayton V.A. Medical Center.
839. "Night workers have a hard time not pay attention to the 9-to-5day, because of noises or family
 A B 
obligations or that's the only time they can go to the dentist," says biologist Kennth Groth, who studies
 C
the circadian clock at Argonne National Laboratory in Lemont, Ill.
 D
Answer. 834. (A) 835. (A) 836. (A) 837. (A) 838. (C) 839. (A) 
840. Louis "Satchmo" Armstrong was the most famous jazz musician of the day and won international fame
 A B 
both as a trumpet and as a singer.
 C D
841. Many people sought to break away from rigid, conventional rules and traditions, just as jazz trumpeters 
 A B 
and saxophonist departed from written notes in order to express them.
 C D
842. Comparative anatomists have been recently shown that man's vocal apparatus is in several respect simpler
 A B C
than the great ape's.
 D
843. The rocks of the crust are composed mostly of mineral with light elements, like aluminum and sodium, 
 A B 
while the mantle contains some heavier elements, like iron and magnesium.
 C D
844. A specimen is a single plant, animal, rock, etc, which is an example of a particular species, or type and
 A B C 
is examined or analysed by scientist.
 D
Answer. 840. (D) 841. (D) 842. (B) 843. (B) 844. (D) 
845. The government exploited their labor while denying ......................
(A) their social equalities (C) social equalities of theirs 
(B) them social equality (D) that they have social equalities
846. MRIs show that one region of cerebellum is smaller in an autistic brain than in a normal one.
 A B C D
847. Just as mental illness have less severe "shadow" versions, ..........................
(A) a developmental disorder, so does an autism
(C) so did an autism, a developmental disorder
(B) than does autism, a developmental disorder
(D) so does autism, a developmental disorder
848. Through the years, scientists have developed smaller but increasingly more powerful batteries for the 
 A B C 
growing number of portable electrical device.
 D
849. British entry into the European Community was the culmination of a long commitment of EU.
 A B C D 
850. More than 80 percent of labors at the construction site are temporary workers.
 A B C D
851. There exists more than 2,600 different varieties of palm trees, with varying flowers, leaves, and fruits.
 A B C D
852. Her best-known role of Judy Garland was as Dorothy in The Wizard of Oz.
 A B C D
853. Nutritionists recommend that foods from each of the four basic groups be eaten on a regularly daily basis.
 A B C D
854. The Kentucky Derby .......................... every may at Churchill Downs in Louisville, Kentucky.
(A) to be run (B) run (C) it may be run (D) is run 
855. The javelin used in competition must be between 260 and 270 centimeters ......................
(A) in length (B) it is long (C) its length (D) length
856. ........... peaches are classified as freestones or clingstone depends on how difficult it is to remove the pit.
(A) The 1 (B) About (C) Whether (D) Scientifically
Answer. 845. (B) 846. (B) 847. (D) 848. (D) 849. (C) 850. (B) 851. (A) 852. (A) 853. (C) 854. (D) 855. (A) 
856. (C) 
857. Astronomers do not know how many galaxies there are, but it is thought that there is millions or 
 A B C D
perhaps billions.
858. The amino acids serve as the building block of protains.
 A B C D 
859. The differing curricular at the community colleges in Kent County reflect the fact that the student population
 A B 
at each sites is not consistent.
 C D
860. Among Thomas Jefferson's many accomplishment was his work to establish the University of Virginia.
 A B C D
861. From 1785 to 1990, the capital of the U.S is located in New York city.
 A B C D
862. Many Civil War battles were fought in Virginia than in any other state.
 A B C D
863. Scientists stress that the overall warming trend of the last decade holds much more significance .............. 
single year's temperatures.
(A) any do (B) than do any (C) than any do (D) do than
864. When .................. impulses from many of the neurons in one part of the brain, an epileptic seizure occurs.
(A) the simultaneous bursts (B) simultaneously burst
(C) there are simultaneous bursts of (D) simultaneously bursting
865. The human body has four jugular veins, ..................... each side of the neck.
(A) there are two on (B) it has two on (C) two are on (D) two on
866. Aspiria is used ................... a construction of the bleed vessels.
(A) the counteraction (B) to counteract (C) counteract (D) counteracting
867. An alligator is an animal somewhat like a crocodile, but with a breed, flatten snout.
 A B C D
868. Drying of meats and vegetables is no longer considered one of .................... of preserving food.
(A) the ways are useful (B) useful ways
(C) the most useful ways (D) most are useful ways
869. The sea mammal meduoa is popularly called a jellyfish because it ................... jelly.
(A) looks rather like (B) looks like rather
(C) likes looking rather (D) rather likes looking 
870. Therapists are currently using mental imagery in the hope that it might prove ................. in the treatment of 
cancer.
(A) helpful (B) for help (C) helpfully (D) with the help
Answer. 857. (C) 858. (D) 859. (C) 860. (B) 861. (A) 862. (B) 863. (C) 864. (D) 865. (B) 866. (D) 867. (C) 
868. (A) 869. (A) 870. (C)