referendum
【正确答案】：referendum
A referendum is a vote in which all the people in a country or an area are asked to give their opinion about or decide an important political question．In Australia，the constitution can be changed only by referendum．
【评分参考】
（1）每小题5分。
（2）内容为4分，语言为1分，一般拼写错误不扣分。如有重大语法错误或拼写错误 引 起误解，要扣语言分。
（3）提供的答案仅供参考，如考生的回答与参考答案的内容一样，但表述形式不一致，也应给满分。
