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【简答题】
已知A、B、C、D、E五种元素的性质或结构信息如下，请根据信息回答下列问题： （1）已知短周期元素A、B原子的第一至第四电离能如下表所示： 电离能（kJ/mol） I 1 I 2 I 3 I 4 A 932 1821 15390 21771 B 738 1451 7733 10540 ①某同学根据上述信息，推断B的核外电子排布如图所示，该同学所画的电子排违背了______。 ②ACl 2 分子中A的杂化类型为__________，ACl 2 空间构型为__________。 （2）已知C单质曾被称为“银色的金子”，与锂形成的合金常用于航天飞行器，其单质能溶于强酸和强碱。D是周期表中电负性最大的元素。E能形成红色（或砖红色）的E 2 O和黑色的EO两种氧化物。请根据上述信息。 ①写出E元素原子基态时的电子排布式____________________。 ②以C单质、镁、NaOH溶液可以构成原电池，则负极的电极反应式为__________。 ③D与Ca 2+ 可形成离子化合物，其晶胞结构如图所示。其中Ca 2+ 离子的配位数为__________，若该晶体的密度为ag/cm 3 ，则该晶胞的体积是__________cm 3 （写出表达式即可）。
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【单选题】根据下面资料，回答题 Sell， Sell， Sell Last year over ε 13bn was spent on advertising in the UK and research indicates that most people will have seen 2m sales messages by the time they are 30. Advertising is bi...
A.
Moreover， it is almost impossible to get people to change the way they view things they are indifferent to.
B.
Over the last ten years， other forms of advertising， such as direct marketing， have become increasingly popular as well as scientific.
C.
They don't， as the industry well knows， care enough to be brand loyal to such a product.
D.
Whether you accept this argument or not， you have to recognize that without advertising our world would be very different.
E.
The problem lies in isolating precisely what motivates people to behave in a particular way.
F.
This is partly because not all advertisements are designed to do the same thing.
G.
The production costs involved in these can reach higher figures than those for the average movie. （8）应选 查看材料
【单选题】These books ________ well, and they will _______ soon. [ ]
A.
sell; sell out
B.
are sold; sell out
C.
sell; be sold out
D.
are sold; sold out
【单选题】These cabbages ______ well because they ______ nice. [ ]
A.
look, sell
B.
sell, are looked
C.
sell, look
D.
are sold, look
【简答题】A．To sell computers directly to the consumers. B．To sell computers to the consumers through retailers. C．To sell computers to Apple Computer Corporation. D．To sell computers to the other countries.
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