根据《中华人民共和国公司法》，有限责任公司增加注册资本的决议，必须经()表决通过。A

泪膜由3层组成，即表层 __________ 、中层 __________ 、深层 __________ 。

Read the passage and fill in the blanks with proper words (在短文的空格内填入适当的词，使其内容通顺，每空格限填一词，首字母已给)

1．At one time, making a film was an expensive activity for only for a small group of people and film companies. Not only were the tools and machines expensive but also the cost of film was also far greater than most people could afford. However, modern technology has c小题1: all that.

2．New technology has really opened up the world of film making for film fans. Now a camera does not cost m  小题2:  and most young people are certainly able to pay for it. So all you need is to get one for yourself. With that, you may start your own film-making.

3．However, film-making is t小题3:work. You probably need many other people to help you.

4．For example, the p小题4:of actors and actresses is very important in your film. Of course, these actors and actresses may be your schoolmates, friends or family members. You don’t even need to pay them a cent while they are glad to be part of your job.

5．B小题5:, you need to make up a story. Can you write your own one? If you have good imagination, you can create an attractive story e  小题6:  . Many world-famous film maker and producers are also good story-writers. If not, perhaps you need someone else to write it for you. An excellent story is the key to making a s 小题7:  film.

为了提高钢的质量，氧化期沸腾越剧烈越好，时间越长，才能愈能完成氧化期的各项任务。

简述粘接机理中的机械理论和扩散理论。

卫生服务需要