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铜在我国有色金属材料的消费中仅次于铝，广泛地应用于电气、机械制造、国防等领域。回答下列问题： (1)铜原子基态电子排布式为 ； (2)用晶体的x射线衍射法可以测得加德罗常数。对的测定得到以下结果：晶胞为面心立方最密堆积，边长为361 pm。又知铜的密度为9.00g·cm -3 ，则铜晶胞的体积是 cm 3 、晶胞的质量是 g，加德罗常数为 (列式计算，己知Ar(Cu)=63.6)； (3)氯和钾与不同价态的铜可生成两种化合物，这两种化合物都可用于催化乙炔聚合，其阴离子均为无限长链结构(如下图)，a位置上Cl原子的杂化轨道类型为 。已知其中一种化合物的化学式为KCuCl 3 ，另一种的化学式为 ； (4)单独与氨水或单独与过氧化氢都不能反应，但可与氨水和过氧化氢的混合溶液反应，其原因是 ，反应的化学程式为 。
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【单选题】What was the overall rise in expenditure on household goods and services overthe ten years?
A.
about £20
B.
about £13
C.
about £10
D.
0
【单选题】根据下列文章,请回答 41～45 题。 New Foods and the New World In the last 500 years，nothing about people——not their clothes，ideas。or languages——has changed as much as what they eat．The original chocolate drink was ...
A.
Food．
B.
Clothing．
C.
Ideology．
D.
Language．
【单选题】根据下列文章,请回答 36～40 题。 New Foods and the New World In the last 500 years, nothing about people -- not their clothes, ideas, or languages-- has changed as much as what they eat. The original chocolate dri...
A.
Food.
B.
Clothing.
C.
Ideology.
D.
Language.
【单选题】根据下列文章,请回答 41～45 题。 New Foods and the New World In the last 500 years, nothing about people -- not their clothes, ideas, or languages－－ has changed as much as what they eat, The original chocolate dri...
A.
Food.
B.
Clothing.
C.
Ideology.
D.
Language.
【单选题】第 27 题(本题:1分) 若有定义:char *ps[]={"aa","bb","cc","dd"};,则以下叙述正确的是
A.
ps[0]是字符串"aa"
B.
*ps[0]是字符串"aa"的首地址
C.
ps[0]是字符串"aa"的首地址
D.
*ps[0]是字符串"aa"
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