题目

小青不慎将少量铁粉混入了铜粉中，她想利用生活中的一些器材自制一个电磁铁，将铁粉全部分离出来。请你帮她完成： （1） 实验器材：； （2） 实验步骤：。 答案：【1】干电池、一个大铁钉、一根较细且足够长的导线 【1】将导线紧密缠绕在铁钉上并与电池构成通路，将铁钉放在混合物上，等待几秒后，将铁钉拿起，铁钉两端吸起的粉末为铁粉末。重复上述操作，即可全部分离Long, long ago, there lived a king. His name was Shahryar. He and his brother Shazaman got married(结婚) to two evil sisters. But Shahzaman's wife cast an evil spell(施毒咒) on her husband. So he died of a bad disease(死于恶病).The news reached the king Shahryar. He felt sorry for his brother Shahzaman. So he killed(处死) his brother's wife. Just then some holy men(圣人) came to see the king and the princess. But the queen(王后) treated them badly. When Shahryar heard the news he was very angry and killed his wife too. He decided to take revenge(报复) on women. So he married a girl every day and killed her the next day for some reason. As days passed and all the women were killed.Then, he married Shahitha Banu. She was very clever and a good storyteller. She worked out a plan in her mind. After the wedding was over both the king and Shahitha Banu were in their room. She asked the king to listen to a very interesting story. The story went on till late night and into the morning. But the story did not come to an end. Banu stopped for a while and said, “Now it is morning and you have work in the day. So I will continue the story this night.”The king should have killed the queen in the morning. But he wanted to know the next part of the story because it was very interesting. So he put off(推迟) killing her. The next night, the queen began to tell the story, but the story didn’t come to an end. The story continued for several months. As days passed the king loved the queen so much. So the King decided not to kill her.1.What do you know about Shazaman?A. He was the king. B. He was one of the holy men.C. He married a girl and killed her. D. His wife was evil.2.Why did Shahryar kill his wife?A. She was not beautiful. B. She killed Shahryar’s brother.C. She was not polite to the holy men. D. She hated the king.3.Why do we think Banu is a clever woman?A. She was good at writing stories. B. She changed the king in a clever way.C. She took revenge on men. D. She helped the king with his work.4.What does the underlined word “continue” mean?A. 继续 B. 叙述 C. 发现 D. 编造5.What happened to the king at last?A. He was still angry with women.B. He knew the woman was evil.C. He collected the stories for the woman.D. The clever woman won(赢得) the king’s heart.