How many generators does the shuttle carry？A．One.B．Two.C．Three.D．Four.

How many dangerous sports does the author mention in this passage？A． Three.B． Fiv

How many stops does the train make？A．None.B．One.C．Two.D．Six.

How does the medical profession regard the bypass operation？A．Many doctors believe it to b

How many officers does the Hong Kong Police department roughly have according to the news？

How many syllables does the word "middle" have？A．1.B．2.C．3D．4

How many employees does the manufacture have?A.15B.50C.55