某同学在使用显微镜时，看到物像位于视野的右上方，他想将物像移到视野的正中央，应将玻片（    ）

 A new term might be the best time to make new friends, but it can be hard to begin the first conversation. Below are four useful ways. Take a look.

 Search for common interests. Talking about shared interests, such as sports and popular talent shows, is the easiest way to make a successful talk with someone.

 Welcome the silence. In fact, sometimes silence is needed in order to continue a conversation. Remember that if you say something, the other person may need time to understand it.

 Keep it positive(积极的). To make great small talk, you should keep things fun. You should be cheerful and able to laugh over things that aren't very interesting. These will make the other person want to keep talking to you.

 Take it as a learning experience. Every time you meet someone from other places, it's a good chance to learn something new. You can learn more about their cultures and nations. These make you a more interesting person to talk to as well.

∠A=70°，则∠DOE=____°．