1 . A lake is an area of water ________ (围绕) by land. (根据汉语提示单词拼写)

2 . Senior citizens and people with disabilities will be able to go anywhere in the world using high-tech cameras a________ to their head. (根据首字母单词拼写)

3 . By the year 2000, housewives will probably have a robot _____________(造成……形状)like a box with one large eye on the top, and long narrow pads on the side for moving about. (根据汉语提示填空)