已知⊙O1和⊙O2的半径分别为2cm和3cm，两圆的圆心距是5cm，则两

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问题填空题

已知⊙O₁和⊙O₂的半径分别为2cm和3cm，两圆的圆心距是5cm，则两圆的位置关系是______．

答案

∵⊙O₁和⊙O₂的半径分别为2cm和3cm，两圆的圆心距是5cm，

又∵2+3=5，

∴两圆的位置关系是外切．

故答案为：外切．

听力题

第三部分单词拼写（共10小题，每小题1分，满分10分）

61.She took the car without ______________. (许可，允许)

62.The kids are always playing ______________on their teacher. (诡计，恶作剧)

63.I decided to go on a ______________before my holiday. (节食)

64.The ability to keep calm is one of her many ______________. (强项，长处)

65.Who will ______________from the changes? (受益)

66.Fruit juice can be ______________to children’s teeth. (有害的)

67.What were you _______________about? (闲聊，聊天)

68.The beach is within walking ______________of my house. (距离)

69.If the pain continues, _______________ your doctor. (咨询)

70.It was ______________that the boy had been badly treated. (明显的)

填空题

个体身心发展的个别差异性不仅表现为男女性别的差异，还表现在身心的所有构成方面，其中有些是_________ 的差异，有些是心理特征表现方式上的差异。