泼水节是佛历的新年,澜沧江-湄公河流域的所有国家都过这个节。
参考答案:错
We congratulated him ______ his getting a gold medal.That is to say: we offered him our congratulations ______ his getting a gold medal.
A.at;on
B.of;on
C.on;for
D.on;on
城乡规划技术标准体系是( )体系的一个组成部分,该体系包括城市规划、城镇建设等15个部分。
A.城乡规划 B.工程建设技术C.城乡建设 D.工程建设标准