单项选择题

(It is) often the result (with) new ideas, (a great deal) of frantic activity and optimistic forecasting (produce) no discernible results.

A．It is
B．with
C．a great deal
D．produce
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单项选择题
The radio was of ______ quality that I took it back and asked for a better one.
A．such the inferior
B．such a inferior
C．so an inferior
D．such inferior
单项选择题
Although her research topic had been approved by her thesis advisor, the library persisted in ______ the documents.
A．its denial for access
B．deny her access to
C．denying her access to
D．denying her access for
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