单项选择题

In his speech he______ on the importance of prompt action.

A．hesitated
B．lingered
C．retained
D．dwelt
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单项选择题
At first, the______ of color pictures over a long distance seemed impossible, but, with painstaking efforts and at great expense, it became a reality.
A．transaction
B．transmission
C．transformation
D．transition
单项选择题
At the wedding ceremony, the diamond ring that he bought was______ on his bride's finger.
A．glaring
B．glittering
C．blazing
D．dazzling
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