单项选择题

Theories have features that are (indicative) of their truth, and the task of justification is to identify these features and (using them) to guide choices (as to) (which theories) to believe.

A．indicative
B．using them
C．as to
D．which theories
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单项选择题
There is nothing in science (staling) that it is good to attempt to save human lives. Saving human lives (seems) to be a (generally held) value in most cultures of the world, but it is not (in some sense) scientifically derived.
A．staling
B．seems
C．generally held
D．in some sense
单项选择题
Brazilian music is thoroughly imbued with African themes, and illustrious composers have long found inspiration in the black musical heritage.
A．imaginative
B．sensitive
C．distinguished
D．persistent
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