4.酸+碱→盐+水 HCl+NaOH=NaCl+H2O H2SO4+2NaOH=Na2SO4+2H2O
H2SO4+Ba(OH)2=BaSO4↓+2H2O Cu(OH)2+2HNO3=Cu(NO3)2+2H2O
3.酸+金属氧化物→盐+水 Fe2O3+6HCl=2FeCl3+3H2O Fe2O3+3H2SO4=Fe2(SO4)3+3H2O CuO+H2SO4= CuSO4+ H2O CuO+2HCl= CuCl2+ H2O
2.酸+氢前金属→盐+氢气 2Al+6HCl= 2AlCl3+3 H2↑
Zn+H2SO4= ZnSO4+ H2↑ Fe+H2SO4= FeSO4+ H2↑ Mg+H2SO4= MgSO4+ H2↑
Zn+2HCl= ZnCl2+ H2↑ Fe+2HCl = FeCl2+ H2↑ Mg+2HCl = MgCl2+ H2↑
假如你叫王嘉,最近你和同学们就 “金钱就是一切吗?”进行了讨论.现在请你以 Do you think money is everything?为题,参照表内所提供的信息,写一篇英语短文.
Your classmates’ ideas |
Your
ideas |
do everything they like with money |
1… |
get whatever they want |
2… |
3.
Money makes the mare go.(有钱能使鬼推磨) |
3… |
注意: 1. 开头部分已写好,你只需接着写.
2. 所写内容必须包括表格中你同学的观点和你自己的至少三个观点.
3. 词数: 70个左右.
Do you think money is everything?
Recently I’ve had a discussion with my classmates about whether money is everything.
2009年中考模拟试卷 英语听力材料
80.Buy one! I don’t think the coats c_______a lot of money.(原创)
75.I’ll show Kate my pictures if she shows me h______.
(根据07年中考卷第74题改编)
76 I w_______ whether it will rain or not tomorrow. (原创)
77 Listening to light music before g______ to bed will help you relax.
(来自九年级课本Unit 4 Section 3a 句子 改编)
78 I’m interested in a________, so I spend every Sunday going to the zoo.
79 The trees should be p________in spring.
74.As students, we should do our homework as c______ as we can.
(原创)
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