1 . The roads were for Inca soldiers and their _________ (office). （所给词的适当形式填空）

2 . All children should be encouraged to realize their full ________ (潜能) by their parents at a young age. （根据汉语提示单词拼写）

3 . The headteacher sensed that there had been some f________ (摩擦) between her students. (根据中英文提示填空）

4 . Every year natural’s _________(灾难)can cause heavy loss to the world.

5 . Using proper learning ________ (strategy) can save you a lot of time to remember the key points. （所给词的适当形式填空）

6 . Mr. Lin's_____(评论)were very difficult to follow because they were loosely related to the topic under discussion.

7 . The iphone 11 is one of the latest ________ (产品) of Apple Inc. this year.

8 . He is one of the_________(幸存者) of the earthquake in Wenchuan.

9 . A witness gave a detailed d________ of the driver, which helped the police arrest him. （根据首字母单词拼写）

10 . The singer is regarded as a ________（代表）of the youth of her generation. （根据汉语提示单词拼写）