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The author means one of the following when he says "little better, in principle than defining a unit of length as something based on the size of a king’s foot."
(A) a king’s foot is larger
(B) a king’s foot is longer
(C) the measurement is inaccurate
(D) a foot is not always the same size
(E) a king has flat feet
Ans : C
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The kilogram is not defined in terms of invariable natural phenomena because
(A) the meter is the distance light travels in a second.
(B) one second lasts for 9,192,631,770 undulations of the light wave.
(C) it has not been possible to reconstruct a kilogram in perfect conditions.
(D) the right technicians and equipment have not been available.
(E) it is difficult to make atoms switch from one state to another.
Ans : C
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"Redundant" in the last line means
(A) ineffective
(B) unnecessary
(C) tautological
(D) loquacious
(E) old
Ans : B
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The most suitable title for this passage would be
(A) The Severs Ingot
(B) Measurement of natural phenomena
(C) Recent research into the atom
(D) Defining a kilogram in terms of natural phenomena
(E) Infinite values in measurement
Ans : D
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The author of the second passage would react to the theme of the first passage by saying that
(A) measurement of numbers is an inaccurate science.
(B) comparison of infinite numbers is possible but not the accurate depiction of a kilogram.
(C) the most recent data on atomic particles supports his stand.
(D) latest methodology will supersede the prototype kilogram.
(E) scientists are often faced with immeasurable quantities.
Ans : B
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The writer of the second passage does all of the following except
(A) use an analogy
(B) define a term
(C) cite a source
(D) pose a question
(E) affirm a possibility
Ans : D
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