A．Tropical insects.B．Decayed leaves.C．Tree resin.D．Bird feathers.
A. Tropical insects.
B. Decayed leaves.
C. Tree resin.
D. Bird feathers.
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The word "hardiest" in line I is closest in meaning to ______.
A. most unusual
B. most basic
C. most abundant
D. most vigorous
A．They taught the Mesopotamians about square numbers.B．They were less advanced in math
A. They taught the Mesopotamians about square numbers.
B. They were less advanced in mathematics than the Mesopotamians.
C. They did not use square numbers.
D. They knew how to measure angles.
A．She will help the man find the exhibit.B．She has already seen the exhibit.C．She will
A. She will help the man find the exhibit.
B. She has already seen the exhibit.
C. She will help the man read the map.
D. She knows where to get a map.
The Sun, the Moon, and Earth have magnetic fields, and______evidence that the stellar that
A. which is
B. is
C. because
D. There is
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