1. 部分词组中有冠词和没有冠词其含义不同。一般说来,名词前
无冠词,则表示抽象意义;名词前有冠词,则表示具体意义。
out of problem(不成问题),out of the problem(不可能),take
place,take the place of,in hospital,in the
hospital,at table,at the
table,in front of,in the
front of,three of us,the three
of us,on earth,on the
earth,of age(成年),of an
age(同岁数),lose colour(脸色苍白),lose
the colour(褪色),