1.
In 1732, coach travelers could got from New York to Philadelphia in about two days.which is incorrect?
A. 
B. 
C. 
D. 
2.
Some of the District of Columbia are on low-lying, marshy ground.
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D. 
3.
Georgia’s economy is based main on agriculture
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B. 
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4.
The Paul Revere House was built in 1676, and today its the oldest wooden building in Boston.
A. 
B. 
C. 
D. 
5.
Conifers such as cedars, firs, and pines bear its seeds in cones.
A. 
B. 
C. 
D. 
6.
A dome is a semispherical structures on top of a building
A. 
B. 
C. 
D. 
7.
Succulents suck up water in just a few hour, but they can store it in their stems for months.
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B. 
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D. 
8.
Flying buttresses enabled builders to put up tall but thinnest stone walls.
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B. 
C. 
D. 
9.
In many languages the forms of a word varies to express such contrasts as number, gender, and tense.
A. 
B. 
C. 
D. 
10.
A Milky Way object that erupted in the constellation Scorpius has provides information to astronomers since July.
A. 
B. 
C. 
D. 
11.
Much fossils are found in coal-bearing rocks.
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B. 
C. 
D. 
12.
When salt is added to ice, this mixture becomes coldly enough to freeze ice cream.
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B. 
C. 
D. 
13.
During the eighteenth and nineteenth centuries Long Island was chiefly an agricultural region with fishing, whaling, and build ships as the important industries.
A. 
B. 
C. 
D. 
14.
No one who has studied the Battle of Little Bighorn know the exact route that Custer and his detachment took.
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B. 
C. 
D. 
15.
The folktales which the brothers Grimm had collecting were translated into English in 1823.
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B. 
C. 
D. 
16.
In our solar system, nine planets, fifty-seven moons, several dozen comets, several million asteroids, and billions of meteorites have so far been discover.
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B. 
C. 
D. 
17.
From the 1 850s until after the turn of the century, many of America’s super-rich families made Newport his favorite summer resort.
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B. 
C. 
D. 
18.
Mars may looks red because it is covered with a layer of soft red iron oxide.
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B. 
C. 
D. 
19.
The radioactive substances that pose the greatest harm to humanity have neither very short or very long half lives.
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B. 
C. 
D. 
20.
A robin cocks its head to peer at a worm with one eyes and not to hear it, as was once thought.
A. 
B. 
C. 
D. 
21.
Film sound is often record by an analog system which like the compact disc, uses light.
A. 
B. 
C. 
D. 
22.
The scribes of the Middle Ages used quill pens to produce their high decorated manuscripts.
A. 
B. 
C. 
D. 
23.
The principles of physics described by Christian Doppler in 1842 for the movement of stars has been adapted to evaluate the movement of blood within the heart.
A. 
B. 
C. 
D. 
24.
The Pioneer 10 and 11 spacecraft were the first vehicles of humankind to venture beyond the limits of ours solar system.
A. 
B. 
C. 
D.