在条件宏设计时，对于连续重复的条件，可以使用______符号替代重复条件式。
A．"..."
B．"="
C．"，"
D．"，"
参考答案：A
A new study suggests that the energy _____ by a cell phone could activate your brain.[ ]
A. given away
B. giving off
C. given off
D. giving out
— Are you worried about the result of the exam?
— Only________. [ ]
A. absolutely
B. approximately
C. slightly
D. extremely
