单项选择题

According to the passage, the electronic message system

A．trained American athletes
B．kept the journalists informed of the results
C．controlled the traffic efficiently
D．helped the judges make final decisions

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热门试题

单项选择题

Computers and high-tech tools did all the following for American athletes EXCEPT ______.

A．analyzing their performances
B．suggesting ways to improve
C．identifying their weaknesses
D．improving their performances easily

单项选择题

If you live in a room painted light blue, you may feel ______.

A．happy and energetic
B．warm and excited
C．calm and relaxed
D．hot and restless