单项选择题

The trials were stopped early because the treatments proved to be of no value.（）

A． Right
B． Wrong
C． Not mentioned

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单项选择题
The number of prematurely stopped clinical trials has increased recently.（）

A． Right
B． Wrong
C． Not mentioned
单项选择题
Anyone who wants to apply for a loan need read the following specifications.
A．expressions
B．warnings
C．advertisements
D．instructions
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