A:图a可用来演示电磁感应现象
B:图b可用来演示电流的磁效应
C:图c可用来演示电磁铁的磁性强弱与线圈匝数的关系
D:图d可用来演示发电机的工作原理
先通读下面的短文,掌握其大意,然后在每小题所给的A、B、C、D四个选项中,选出可以填入空白处的最佳选项。
Good morning, everyone. I want to 1 you about my neighbor(邻居),Mr. White. There are 2 people in Mr. White's family. Mr. White is a manager of a big shop. Mrs. White teaches English in a university(大学).Her students like her very much 3 she is interesting. The Whites have two 4 . The son is Tim. He is thirteen. The daughter is Nell. She is twelve. There is also a brown 5 in their family. 6 name is Stella.
Mr. White loves sports and he is good at playing tennis. Mrs. White likes 7 . She draws many beautiful pictures. Tim 8 listening to music. He has many CDs. Justin Bieber is his favorite singer. 9 is Nell's hobby? She likes doing some 10 . She has a lot of books in her room now. On Sunday, then take their cat to the nark and they often have a .good time there.
山脉是地形的骨架。下面哪条山脉两侧分别为黄土高原与华北平原( )
2015年“两会”期间有全国人大代表就保护中医药的知识产权,提出相关的立法议案。这表明人大代表( )
读短文,回答问题。
May: Good morning! Can I help you?
Lucy: Yes. I want some pencils and pens.
May: We have many here. Which one do you like?
Lucy: That red one, please.
May: Here you are.
Lucy: Thank you. How much is it?
May: It's cheap. It's 1 yuan.