试题与答案

关于电子的量子数，下列（）项可能存在。 A．2，1，-1， B．3，0，1， C．4

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题型：单项选择题

题目：

关于电子的量子数，下列（）项可能存在。

A．2，1，-1，

B．3，0，1，

C．4，-3，2，

D．2，2，-2，

答案：

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参考答案：E-R

考点：一级注册结构工程师一级结构师基础知识一级注册结构工程师基础部分上午试卷
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A. maintained        B. serious      C. indications         D. figures        E. anxious
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     Filmgoers should be told how many calories there are in the popcorn, ice cream and soft drinks that
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    Smaller popcorn buckets and drink cups should also be made  1 , the nutrition inspector said.
    Tim Smith, chief executive of the agency, told The Times that cinemas should help to deal with the
country's overweight    2   .
     "There is a misbelief that popcorn is calorie-free, but that is not the case. It is a    3   to us," he said.
"Portion sizes are also a big issue, and there seems to be increasingly big packs on sale."
     He spoke as a number of food chains such as Pret A Manger, Wimpey and The Real Greek   4  to put
calorie counts on all their menus.
    A trial scheme(试行方案) with 21 food companies took place last summer, and   5  are that consumers
altered their buying habits when they realised the number of calories in a product.
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drive for American-style calorie counts and is   6   to win support from cinemas and other entertainment
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