1.
______ big Dipper, a seven-star constellation in the shape of cup, is part of Ursa Major.
Correct Answer
A. The
Explanation
The word "the" is used before "big Dipper" to indicate that we are referring to a specific constellation. In this case, it is referring to the seven-star constellation in the shape of a cup, which is part of Ursa Major.
2.
The Military Academy at West Point _____ on the west bank of the Hudson River, north of the New York City.
Correct Answer
B. Is located
Explanation
The correct answer is "is located." This answer correctly uses the present tense verb "is" to show the current state of the Military Academy at West Point. By using the phrase "is located," it indicates that the academy currently exists and can be found on the west bank of the Hudson River, north of New York City.
3.
____ impressive chapter in the book was the chapter on Stuart’s scientific theories.
Correct Answer
B. The most
Explanation
The correct answer is "the most". This is because the sentence is comparing the level of impressiveness of different chapters in the book. "The most" indicates that the chapter on Stuart's scientific theories was the most impressive out of all the chapters mentioned.
4.
The first fish have appeared on the earth approximately 500 million years
A B C D
ago.
Correct Answer
B. Have
Explanation
The verb "have" is used in the sentence to indicate the action of the first fish appearing on Earth. The word "have" is in present perfect tense, which suggests that the action happened in the past but is still relevant in the present. Therefore, "have" is the correct answer.
5.
Only rarely sound waves are of a single frequency encountered in practice.
A B C D
Correct Answer
B. Sound waves are
Explanation
In practice, sound waves are rarely of a single frequency. This means that most of the time, sound waves are composed of a mixture of different frequencies.
6.
Cameos can be carved not only from onyx and sardonyx or from agate.
A B C D
Correct Answer
D. Or
Explanation
The correct answer is "or" because it is indicating that cameos can be carved from either onyx and sardonyx or from agate. The word "or" is used to present two alternatives or options, in this case, the different types of materials that can be used to carve cameos.
7.
Although most of the wild horses on the western range have already been
A B
rounded up, the most remote area, the greater the possibility that wild horses
C D
can still be found.
Correct Answer
C. The most
Explanation
The correct answer is "the most". This answer completes the sentence by suggesting that in the most remote areas, there is still a possibility of finding wild horses. The phrase "the most" indicates a superlative degree, implying that the more remote an area is, the higher the chance of finding wild horses.
8.
During this period. $206 was spend annually on food by families in the
A B C
lower third income bracket
D
Correct Answer
B. Spend
Explanation
During this period, families in the lower third income bracket spent $206 annually on food. The correct answer is "spend" because it accurately reflects the action of families in this income bracket using their money to purchase food.
9.
The danger of noise are, unfortunately, not as clear-cut than are those from
A B C
most other health hazard.
D
Correct Answer
B. Than
Explanation
The correct answer is "than" because it is used to compare the danger of noise to the danger of most other health hazards.
10.
In a recent survey of Americans, more than 75 per cent expressed the view
A B
that the government it should take a more active role in health care.
C D
Correct Answer
C. It should
Explanation
The correct answer is "it should". In the given sentence, the phrase "more than 75 per cent expressed the view" is followed by "it should", indicating that the majority of Americans believe that the government should take a more active role in health care.