以下哪一项影响了一个人调整期社会生活地位的努力程度：（）A、农业社会 B、学校 C、政治

用方框内所给词语的适当形式填空，使文章通顺、完整。（每词限用一次）

how   look  many    able  as  crowd    find   problem   for   comfortable

Do you think people will work and live in the sea in the future? You may ask. “_________小题1:will people go to work then?” By submarine(潜水艇)! Some scientists believe that some day submarines will be as ________小题2: as today’s cars.
A French driver says, “One day, man will travel in the sea _________小题3:they do in the street!”
If humans want to live in the sea, they have to solve (解决) a lot of ___小题4: first. For example, what will happen to our body if we stay in the water _________小题5: a long time?
Scientists are _________小题6: for the answers. Maybe in 50 years man will be _________小题7: to live in the sea. They will be away from the _________小题8: cities. Man will _________小题9:that it’s fun and interesting to live in the sea, and that life in the sea is more _________小题10:. Don’t you think so?