搜题请搜索小程序“爱下问搜题”
问题 单项选择题

通过对产品或服务要求的转化，确定输出要求，从而对过程进一步提出要求，才能保证顾客要求的实现，下列关于“要求”的陈述，比较好的是( )。

A．迅速的传递
B．在0.3秒内启动 C．简单的说明书
D．促销快

答案

参考答案：B

解析： 本题考查对“要求”知识点的理解和掌握。题干描述的实质是考查关于“对顾客要求”陈述比较好的示例，选项A“迅速的传递”、C“简单的说明书”、D“促销快”都是比较粗略和简单的定性陈述，只有B“在0.3秒内启动”表述的内容准确量化，可以在生产过程实现。故B为符合题干要求的正确选项。

推断题

A、B、C、D、E、F均为短周期元素，D、F同主族，A元素的原子M层上有1个电子；B元素次外层是最外层电子数的4倍；C原子最外层电子是次外层电子数的2倍；D元素原子最外层电子数为a，次外层电子数为b；E元素的原子M层电子数为a-b，L层电子数为a+b，则

（1）A元素的名称是________；

（2）B的原子结构示意图为__________；

（3）C元素位于第______周期_______族；

（4）有9个中子的D的一种核素的符号___________；

（5）E单质的主要用途是_____________。

（6）用电子式表示A、F形成化合物的过程__________________。

查看答案
单项选择题

A new study finds that blacks on death row (1) of killing whites are more likely to be executed than whites who kill minorities. It also concludes that blacks who kill (2) minorities are (3) likely to be executed than blacks who kill whites. For example, there is more than a twofold greater risk that an African-American who killed a white will be executed than a white person who kills a (4) victim. A Hispanic is at least 1.4 (5) more likely to be executed (6) such an offender kills a white.

The researchers of the study believe that there are two (7) explanations.. First, prosecutors often win (8) office if they win well-publicized cases. When a black kills a white, such killings gets more (9) and this idea can be (10) by many famous cases. (11) , the court judges at the state level are often (12) to elections, called retention elections. Retention election or judicial retention within the United States court system, is a periodic process, in which the voter (13) approval or disapproval for the judges presently (14) their position, and a judge can be removed from the position if the (15) of the citizens vote him or her out. Just as the researchers (16) out, death penalty is (17) political.

The findings of the study, in short, show that American justice systems clearly (18) white lives more than those of blacks or Hispanics. The researchers also say their findings (19) serious doubts about (20) that the U.S. criminal justice system is colorblind.

8（）

A.previous

B.same

C.lower

D.higher
查看答案