题目

如果一个三角形的两个内角都小于30°，那么这个三角形的形状是（ ） A . 锐角三角形 B . 直角三角形 C . 钝角三角形 D . 不能确定 答案：C阅读下面短文，根据以下提示：1)汉语提示，2)首字母提示，3)语境提示，在每个空格内填入一个适当的英语单词，并将该词完整地写在右边相对应的横线上。所填单词要求意义准确，拼写正确。 Dear Wendy， Thank you for your inviting me to go on holiday with you. I thought this would be a very good c________ to see you again. I still remember　 56.________ the time when we chatted the night through, ________ (讨论)　 our plans　 57.________ for the future. It seemed e________ would be OK with our　　　　　　　 58.________ arrangements for the weekend. B________ unfortunately,　　　　　　　 59.________ one of my relatives, who has been in the States ________ two years,　　　 60.________ will visit my family this ________ (星期五). My parents expect me　　　 61.________ to stay at home. As a ________， I regret to tell you　　　　　　　　　　 62.________ that we have to ________ (改变) our plans. I think we can meet　　　　 63.________ during the summer holiday. When that time c________， we will be　　 64.________ ________ (在一起) again and enjoy the beautiful scenery of Tainan.　　 65.________ Best wishes! 　 　　　　　　　　　　　　　　　　　　Sincerely yours， Mary