题目

阅读下面短文，在空白处填入一个适当的词，或填入括号中所给单词的正确形式。 If you read a newspaper or listen to a newscast recently, you may hear or read a strange word, “staycation”. Staycation is new word the American press is using (describe) vacation very close to your own home, simply staying at home during your vacation. It is a combination (合成) of the words “stay” and “vacation”. According to many news reports, these staycations are very popular among American families this year. Why? The high price of gasoline for cars and airplanes 下列醇类物质中，能被氧化成醛的是