Question

20．一些欧洲国家一直不愿接受非洲移民，部分原因是他们担心社会安全问题．（reluctant）Some European countries have been reluctant to admit African immigrants，partly because they are concerned about social security problems．．

Answer 1

分析 Some European countries have been reluctant to admit African immigrants，partly because they are concerned about social security problems．

解答 Some European countries have been reluctant to admit African immigrants，partly because they are concerned about social security problems．
根据句意"一直不愿接受"可知，主句的时态可以使用现在完成时；而从句表示的担心应该是现在也有的，所以使用一般现在时．
根据句意可知，本句需要使用because引导一个原因状语从句，而主句中包含一个动词短语be reluctant to do sth不愿意做某事；从句中使用动词短语be concerned about．

点评 翻译题在解题时首先要确定好句子的时态，然后要把握好短语表达，最后要注意句子结构．