[单项选择]
The piano and violin are girls’ instruments. Drums and trumpets are for boys. According to Psychologists Susan O’neil and Michael Bottome, children have very clear ideas about which musical instruments they should play. They found that despite the best efforts of teachers, these ideas have changed very little over the past decade. They interviewed 153 children, aged between 9 and 11, from schools in northwest England. They asked them to identify four musical instruments and then say which they would like to play most and which they would least like to play. They also asked the children for their views on whether boys or girls should not play any of the four instruments. The piano and violin were both ranked more favorably by girls than by boys, while boys preferred the drums and trumpets, There was a broad agreement between boys and girls on which instruments each sex should play and the masons varied. And while almost half of all boys said they avoided certain instru
A. The tests of new airliner before its flying.
B. How to protect a new airliner
C. How to train a new pilot
D. What the airliner engineers should do
