题目内容

目前核电站所用堆型不包括()

A. 压水堆
B. 沸水堆
C. 重水堆
D. 聚变堆

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在CTCS-2级列控系统中,每个有源应答器的正线临时限速管辖范围内最多允许同时设置()处临时限速3

A. 2
B. 3
C. 4
D. 5

离子感烟探测器采用的放射源是()。

A. 镅-241
B. 钚-239
C. 镎-237
D. 铀-235

Under the discounted dividend model, what is the value per share of a company expected to pay a $3.75 end-of-year dividend and have an ex-dividend price of $27.50 if the market capitalization rate is

A. $29.07 , less than 10%
B. $30.07 , more than 10%
C. $31.07 , less than 10%
D. $32.07 , more than 10%

天然铀中丰度最高的同位素是()。

A. U-233
B. U-234
C. U-235
D. U-238

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