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有机高分子化合物A常用作木材的粘合剂,俗称“白乳胶”。B通过加聚反应可制得A。B的蒸气对H2的相对密度为43,分子中C、H、O的原子个数之比为。B在酸性条件下水解可生成碳原子数相同的两种有机物D和M。(1)B分子中含氧的官能团的名称为。(2)B的同分异构体中属于不饱和羧酸的有3种,它们是、、 。(3)写出B在一定条件下生成A的化学方程式 。(4)通常羟基与双键碳原子直接相连接时,易发生下列转化:M能发生银镜反应,请写出M的结构简式 Do you play King of Glory(《王者荣耀》)? If so,do you like the game? Why or why not?Li Ming is a 13-year-old student in Shanghai. Since last May, he has spent most of his spare time on King of Glory. "Every boy in my class is playing it, "he said. "Good players are respected."King of Glory has been a very popular mobile game in China. It has had 50 million daily users. Unlike other games, King of Glory names all of its characters after figures from China's history. "All of them look very cool," said Li. His favorite hero is Jing Ke. "She’s very pretty, "the boy added. Yes, you read right. The real Jing Ke was a man. In the game, however, he has been turned into a woman. Jing Ke is not alone. Li Bai, as we know, was a famous poet. In the game, his job is to kill the others. China's first known physician(医师), Bian Que, meanwhile, doesn't just cure people. He also poisons (毒害)his enemies.This has caused a hot debate(辩论). Some parents are worried that the game may mislead their children. An article also criticized the game rewrote China's history.Others, however, are less worried. They think a game is a game. The real problem, perhaps, is that there is no game rating sysem(评价制度) in China. King of Glory is designed for people over 16 years of age. According to a survey, however, more than 30 percent of the players are in primary or middle school. They are too young to tell the differences between fact and fiction(虚构).【1】According to the article, how old was Li Ming when he started playing King of Glory?A. Ten years oldB. Eleven years oldC. Twelve years oldD. Thirteen years old【2】What does the underlined word "figure" in paragraph 2 mean?A. 数字B. 目标C. 影像D. 人物【3】According to the article, in King of Glory, Li Bai is a_________.A. studentB. killerC. physicianD. game developer【4】According to the article, how does the author think the problem can be solved?A. By deleting all the misleading characters from King of Glory.B. By preventing those under 16 from playing King of Glory.C. By waiting for China to create a game rating system.D. By including some history lessons in King of Glory.【5】Which of following is NOT true about King of Glory according to the passage?A. Bian Que in the game has been turned into a woman.B. All of its characters named after figures from China's history.C. Li Ming likes Jing Ke in it because she's very pretty.D. About more than 15 million daily players of it are in primary or middle school.
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