Question

A car engine cannot run smoothly without motor oil.____ our body cannot function efficiently without vitamins.

A． fortunately

B． Gradually

C． Similarly

D． Confidently

Answer 1

C

副词辨析。A幸运地是；B逐渐地；C相似地；Ｄ有信心地；结合句意可知Ｃ正确。句意：没有基友，汽车发动机就不能顺利运转。相似地是没有维他命，我们的身体也不能有效的运转。