- Clothes keep us warm by preventing heat from escaping from the body. Wool keeps us especially warm because it holds a layer of still air that is an excellent
Your answer:
source of heat.
conductor of heat.
shield against heat loss.
cooling system for the body.
- It is only when we look at our knowledge from all sides and combine the things we know by comparing truth with truth that we obtain a complete hold over our knowledge and get it into our power. We cannot turn over anything in our minds unless we learn it; we should, therefore, learn something; but it is only when we have turned it over that we can be said to
Your answer:
be broadminded.
know it.
be intelligent.
be truthful.
- So that saw blades will not stick in the groove being made by the saw teeth, the teeth are slightly bent outward. The cut made by the saw then is
Your answer:
a little wider than the saw blade.
wider at the top than at the bottom.
straighter than it otherwise would be.
at right angles to the surface being cut.
- Anyone may mouth out a passage with a theatrical cadence, or use pretentious oratory, but to write or speak with propriety and simplicity is a more difficult task. Thus, it is easy to affect a pompous style, to use a word twice as big as the idea you want to express; it is not so easy to pitch upon the very word that
Your answer:
expresses eloquence.
is dramatically elegant.
is formally correct.
exactly fits the idea.
- The author of the book on Alaska was a forester, a scientist, and an explorer. He wrote that "exploration is perhaps the greatest aesthetic experience a human being can know," and advocated rationing the remaining wilderness so that the possibility of exploration might be prolonged. Each successful penetration of the unknown reduces the amount of unexplored territory in the world and leaves many would-be adventurers with
Your answer:
the greatest admiration.
complete surprise.
disbelief in the fact.
a feeling of loss.
- A legendary island named Brazil was said to be situated about a hundred miles west of Ireland. Fifteenth century maps show the exact location of this island, although no one has ever
Your answer:
named it.
charted it.
seen it.
sought it.
- Perhaps dissatisfaction with government results from its failure to establish and maintain close contact with elected representatives. Ideally, voters feel obliged to know both the character and the policies of the people for whom they vote, but in actuality, the relationship between a voting public and its representatives is sometimes
Your answer:
basic.
distant.
intimate.
ideal.
- Fine paintings, even with the best of care, often deteriorate after a number of years, and copies cannot fully replace the originals. Music must be accurately reproduced if the works of great composers are to survive. Sometimes the composer's original interpretation of a score can never be duplicated. The writings of great authors can be reproduced more accurately than any other art form, and are, therefore, less
Your answer:
artistic.
intellectual.
replaceable.
perishable.
- Newton's third law of motion states that for every action there is an equal and opposite reaction. When a gun is fired, the force that pushes the bullet forward is equal to the force with which the gun recoils. Space vehicles, having left the earth's atmosphere, can maneuver by firing small rockets in the direction
Your answer:
of the earth.
in which they wish to go.
at right angles to their destination.
opposite to their destination.
- Croesus, king of ancient Lydia, was said to be the richest of all rulers. Lydia prospered and became a great empire, but misfortune was in store for Croesus and his country. When Cyrus the Great of Persia was preparing to attack Lydia, Croesus consulted the oracle at Delphi. The oracle was said to prophesy, "If Croesus goes to war, he will destroy a great empire." So Croesus went to war and was completely defeated. He had destroyed an empire, but
Your answer:
Cyrus slew Croesus.
the oracle was wrong.
it was his own.
he did not heed the oracle.