A:处理锅炉水垢的CaSO4,可先用Na2CO3溶液处理,再用酸去除
B:向TiCl4中加入大量的水,同时加热,可以制备纳米材料制备TiO2
C:AlCl3溶液蒸干灼烧得不到AlCl3,而用SOCl2与AlCl3•6H2O混合共热可得无水AlCl3
D:铵态氮肥不可与草木灰同时使用
欧阳修,字永叔,庐陵人。四岁而孤,母郑①,守节自誓②,亲诲③之学。家贫,至以荻④画地学书。幼敏悟过人,读书辄⑤成诵。及冠⑥,嶷⑦然有声。
修始在滁州,号醉翁,晚更号六一居士。天资刚劲⑧,见义勇为,虽机阱⑨在前,触发之不顾。放逐流离,至于再三,志气自若也。
(选自《宋史·欧阳修传》)
【注释】①母郑:母亲郑氏。②守节自誓:自己下决心不改嫁。③诲:教导、训导。④荻:与芦苇同类,这里指荻杆。⑤辄:立即,就。⑥冠:指成人。⑦嶷(nì)然有声:人品超群而享有声誉。⑧天资刚劲:生性刚直。⑨机阱:设置机弩的陷阱。这里比喻陷害人的圈套。
Today is the sixth of May. It is Nancy's birthday. She is eleven years old. There is a birthday party in the evening in her home. Many friends come. They all have a lot of fun at the party. Helen is listening to music. Yang Ling is playing the piano. Wang Bing and Mike are playing computer games. Now, it is time for the birthday cake. All the children sing “Happy Birthday” together for Nancy. Then, Nancy makes a wish, blows out the candles and cuts the cake. Everyone enjoys the party very much.