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《三国志•诸葛亮传》记载了蜀汉丞相孔明南征孟获的战争中,蜀军误喝哑泉中毒,后经当地一老叟指点,蜀军喝了当地的安乐泉便脱离了危险,当代化学工作者对哑泉进行了考察,发现哑泉含有硫酸铜,安乐泉味苦,呈碱性,下列说法中不正确的是(    ) A . 硫酸铜有毒 B . 硫酸铜溶液是蓝色的胶体 C . 硫酸铜为电解质 D . 解毒的原因是Cu2+转化为沉淀When we think of Christmas, we probably think of , Christmas trees and Santa Claus. But behind all these things lies the true meaning of Christmas: the importance of sharing and giving love and joy to people around us. The story in A Christmas Carol is perhaps the best example of this.A Christmas Carol is a famous short novel written by British writer Charles Dickens (1812-1870). It is about an old man Scrooge who never laughs or smiles. He only thinks about himself and is to share things with others. He doesn’t treat others nicely. He just cares about whether he can and he hates Christmas. One Christmas Eve, Scrooge sees the ghost of Jacob Marley, his dead business partner. Marley used to be just like Scrooge, so he was after he died. He warns Scrooge to change his ways if he doesn’t want to end up like him. He also tells Scrooge to expect ghosts to visit him.That , the ghosts visit Scrooge. First, the Ghost of Christmas Past takes him back to his childhood and reminds him his happy days as a child. Then the second ghost, the Ghost of Christmas Present, takes him to see others are spending Christmas this year. Everyone is happy, even poor people. The last one, the Ghost of Christmas Yet to Come, takes him to the . Scrooge sees that he is dead, but nobody cares. He is so that he wakes up in his bed and finds out it is only the next morning — Christmas Day!Scrooge decides to change his life and to be a kind person. He celebrates Christmas with his relatives. He also gives gifts to people in need. He now treats with kindness and warmth, spreading love and joy everywhere he goes. And that is the true of Christmas!1.A. prizes B. gifts C. fireworks D. tricks2.A. names B. naming C. named D. to name3.A. unwilling B. glad C. ready D. impatient4.A. make trouble B. make mistakes C. make more friends D. make more money5.A. praised B. punished C. saved D. recommended6.A. two B. three C. four D. five7.A. morning B. noon C. afternoon D. night8.A. with B. to C. of D. for9.A. how B. what C. when D. why10.A. past B. present C. future D. front11.A. calm B. scared C. angry D. relaxed12.A. promises B. fails C. continues D. forgets13.A. quietly B. hardly C. sadly D. happily14.A. someone B. anyone C. everyone D. nobody15.A. friendship B. story C. form D. spirit
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