{01}A study shows that walking fast in your old age is a ______ that you will live a long life.
A.sign
B.mark
C.symbol
D.signal
解析:此题为词义辨析题。sign迹象,征兆;mark标记,记号;symbol象征,符号;signal信号。根据题意“老了走的快是长寿的征兆”,因此选A。 本题选A。 {02}We all felt a sense of ______ when we saw so many overseas Chinese coming back safe and sound from Libya.
A.security
B.relief
C.emergency
D.achievement
解析:考查名词辨析。Security“保证”;relief“救济,减轻,安慰”;emergency“紧急情况”;achievement“成就”。句意“我们都感到很安慰,当我们看到许多同胞都安然无恙地从利比亚返回。”safe and sound是固定短语“安然无恙”的意思。故选B。 本题选B。
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