A growing plant needs water for all of the following except ______.
A. forming sugars
B. sustaining woody stems
C. keeping green
D. producing carbon dioxide
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American television is criticized for its explicit sexuality.
A. True
B. False
The tone of the writer is that of ______.
A. doubt
B. warning
C. indifference
D. criticism
What's true of a parrot？
A. It can only be taught to talk.
B. It is a tame and wild bird at the same time.
C. It is likely to be spoiled.
D. It often eats more than needed.
How do thermographic pictures indicate the temperatures of various parts of the body？
A. With charts and graphs.
B. With a thermometer.
C. With different colors.
D. With moving lights.
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