Fill in the blanks with the words below. Use one word once only. 请用下面所给单词填空。友情提示:填到句子中的词汇不需要做任何 变形 。 popularity confess properties stimulated crushed 1. Certain ______ of chocolate make us feel happy. 2. The Aztecs found they were ______ by the cocoa drink they made from the crushed beans. 3. I have to ______ that I eat chocolate at least once a day. 4. Originally, the cacao bean was ______ and mixed with a liquid. 5. Nowadays, with the advent ( 出现 ) and ______ of the Internet, its advantages and disadvantages have been a subject of heated discussion.