According to the last paragraph, what contribution does the author feel people must now make？
A. Search for new energy sources
B. Outlaw motor transportation
C. Accept a new life style
D. Adopt a new form. of government
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The Procopios became the foster parents because____.
A. they had made an agreement with Sarah's natural parents
B. they found Sarah abandoned in the street
C. they were on the waiting list of an adoption agency
D. the hospital informed them that Sarah's natural mother had abandoned her there
According to the studies by Stiff and Bata,which of the following statements is TRUE？
A. It is best to write comments at the end of a paper.
B. It is best to write no comments at all.
C. The location of the comments makes no difference when their effects are considered.
D. It is best to write comments between the lines.
The author in the second paragraph states what we need in our present situation is_____.
A. a continuation of our present serious state
B. worldwide resources exploitation and energy use
C. a movement forward to a new norm to planet research work
D. a state where long range planning is essential to us
【C14】
A. exercised
B. broadened
C. bankrupted
D. exemplified
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