单项选择题
A．preoccupied : mindless B．instinctive : barbaric C．whimsical: capricious D．responsive : interpretative E． natural : communicative
A．questions : replies B．foibles : flaws C．estimations : calculations D．data : hypotheses E． research: findings
A．color : light B．wavelength : spectrum C．newton : force D．altitude : altimeter E． diameter : cylinder