问题
选择题
The incomes of skilled workers went up. ______， unskilled workers saw their earnings fall.
A．Moreover
B．Therefore
C．Meanwhile
D．Otherwise
答案
答案：C
副词辨析。A而且；B因此；C于此同时；D否则，要不然；结合句意可知C正确。句意：熟练工人的工资上涨了，同时不熟练的工人的工资下降了。