63. (27901-!-item-!-188;#058&003440)
Unlike emergency calls that travel through regular telephone lines, where they thus automatically inform the operator of the location and phone number of the caller, cellular calls require emergency operators to determine the location of the caller.
(A) lines, where they thus automatically inform the operator of the location and phone number of the caller, cellular calls require emergency operators to determine the location of the caller (B) lines and thus automatically inform the operator of the location and phone number of the caller, cellular calls require emergency operators to determine the location of the caller (C) lines, thus automatically informing the operator of the location and phone number of the caller, the location of the caller on a cellular phone has to be determined by the operator (D) lines, and thus automatically inform the operator of the location and phone number of the caller, emergency operators have to determine the location of the cellular phone caller (E) lines, thus automatically informing the operator of the location and phone number of the caller, emergency operators receiving a cellular call have to determine the location of the caller
这道题答案B, C中解释说不应该用伴随结构,而应该用and thus来连接两个存在因果关系的句子,这里现在分词不是可以表示伴随结果么?应该也可以表示因果关系吧?还是说只能放在句尾才能表示因果,放在句中只能表示伴随动作?有点晕菜了...... | 
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发表于 2009-3-28 08:06:00
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