2. 外语
  3. The principal duty of the United Nations is to safeguard the pace of the world.

The principal duty of the United Nations is to safeguard the pace of the world.

admin2010-02-21  57
问题 The principal duty of the United Nations is to safeguard the pace of the world.
选项 A、primary
B、prime
C、privileged
D、precedent
答案A
解析 principal首要的，主要的；privileged有特权的；precedent先例，是一个名词；primary和prime都有“主要的，最重要的”意思，但prime主要用来修饰比较具体的名词，如a prime example，the prime suspect。而primary则主要用来修饰比较抽象的名词，如primary concern，primary responsibility。所以本题选A比较合适。
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