单项选择题

As more financial _________ have been conducted online, people enjoyed the immense convenience brought by the telecommunication.

A．transitions
B．transactions
C．transmissions
D．transformations
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单项选择题
Traveling in a humid climate will cause your clothing to become _________ with sweat.
A．clamped
B．saturated
C．insulated
D．swamped
单项选择题
His _________ and confident voice increased our admiration for him.
A．authoritative
B．imperative
C．provocative
D．subjective
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