1 . They have the sensation of really being at the site with us-through the "eyes", "ears", and m_______ of the robot. （根据首字母单词拼写）

2 . We saw them waving to us at a _________(距离) of 200 meters.

3 . In spite of the serious topic, the meeting was held in a light a________.(根据首字母单词拼写)

4 . His son had an obsessive drive to gain his father's ______ (赞成).

5 . He has told me his plans and he's made a good _____ (印象) on me.

6 . Our boy Willie was born disabled, but it is a great c _____ to us to know that he is getting on so well with his school work.

7 . He had lost his ________ (身份) card and was being questioned by the police.（根据汉语提示单词拼写）

8 . He had made a thorough ________(调查), and no wonder he knew so much about it. （根据汉语提示单词拼写）

9 . Lucy has many positive personality ____________ that make her popular at school.

10 . Red is a __________ (象征) of good luck in many cultures.