单项选择题

Why does a tuner often stand in the wings

A．So it can be reached any time.
B．It is so designed mechanically.
C．So it can prevent moisture.
D．The piano needs to be tuned frequently.
<上一题 目录 下一题>
热门 试题

单项选择题
Ancient Chinese astronomy could be accurately described as _________.
A．entirely religious in nature
B．based on legendary figures
C．advantages in some areas
D．completely unsuccessful
单项选择题
The sun's disappearances were thought to be caused by _________.
A．fights with cocks
B．fights with dragons
C．a scientific phenomenon
D．eclipses
相关试题