影响身体发育的因素有
A.营养代谢
B.生活条件
C.内分泌
D.体育锻炼
E.种族遗传
参考答案:A,B,C,D,E
Recently some hospitals in China have adopted ______ they call a robot-doctor, ______ will be used
to operate on patients with more accuracy.
A.what; that
B.that; which
C.what; which
D.which; what