If our time is usefully employed, it will some useful and important products．
A. turn out
B. refer to
C. look up
D. carry on
网友回答
(答案→)A. turn out
B. refer to
C. look up
D. carry on
解析：考查短语辨析。A制造，结果是，证明是：B参考，查阅；C查找；D进行；句意：如果我们的时间被有效利用，它将会产生一些有用和重要的产品。故A正确。