There is no power like ________ power of confidence; and there is no one as competitive as ________ person who trusts his own abilities.

下列各诗句所涉及的传统节日，依次对应正确的一项是（ ）①遥知兄弟登高处，便插茱萸少一人。 ②东风夜放花千树，更吹落，星如雨。③千门万户瞳瞳日，总把新桃换旧符。 ④柔情似水，佳期如梦，忍看鹊桥归路。⑤渚闹渔歌响，风和角棕香。

I’m putting on weight. The doctor has warned me to _________ sugar.

______ is your friend – Maria.

The Changjiang River is ________in China.