单项选择题

A．Availability of artificial body organs.
B．Elimination of genetic defects.
C．Improvements in drags for medical use.
D．An explanation of the origin of life.
<上一题 目录 下一题>
热门 试题

单项选择题
A．A head cold.B．The weather.C．The woman’ s son.D．Fatigue.
A．A head cold.
B．The weather.
C．The woman’ s son.
D．Fatigue.
单项选择题
A．They welcome suggestions from anyone.B．Women rarely consider buying cheap clothes.C．Her shopping is often ’based on need.D．They listen to advice but never take it.
A．They welcome suggestions from anyone.
B．Women rarely consider buying cheap clothes.
C．Her shopping is often ’based on need.
D．They listen to advice but never take it.
相关试题