单项选择题

(Continued) exposure to stress has been linked to (worsened) functioning of the immune system, (leaving) a person more liable (for) infection.

A．Continued
B．worsened
C．leaving
D．for
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单项选择题
The (ruling) party could even lose (its) majority in the lower house of parliament, (started) a period of (prolonged struggling.)
A．ruling
B．its
C．started
D．prolonged struggling
单项选择题
The ideal listener stays both (inside and outside) the music at the moment it is played and (enjoying) it almost (as much as) the composer at the moment he (composes.)
A．inside and outside
B．enjoying
C．as much as
D．composes
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