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【多选题】
专利制度的发展过程中，产生了两大类关于专利制度的理论假说。一类是批评和反对专利制度的假说，一类是赞同和支持专利制度的假说。其中赞同支持专利制度的假说主要有（）。A.
自然权利说
B.
报酬说
C.
契约说
D.
发展经济说
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举一反三
【单选题】Industrialists and engineers are busy taking advantage of the mineral deposits ______, regardless of the fact that this ruthless exploitation is deleterious(有害的).
A.
desirable
B.
available
C.
acceptable
D.
adjustable
【单选题】The man asked about bank loans because he
A.
was considering taking advantage of bank loans
B.
wanted to obtain a loan of $ 450,000 from the bank
C.
found the topic interesting
D.
wanted to send some money to Cairo
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【简答题】A. playing jokes onB. a fool of C. setting a trap for D. taking advantage of
【单选题】【C14】
A.
playing jokes on
B.
making a fool of
C.
setting a trap for
D.
taking advantage of
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