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问题 选择题

下面哪个事例不能用来说明光在同一种均匀物质中是沿直线传播的[ ]

A．看不见不透明物体后面的东西

B．小孔成像

C．能从不同的方向看到本身不发光的物体

D．影子的形成

答案

答案：C

多项选择题

计划评价的作用可概括为（）。

A.追踪了解情况

B.评估项目运作

C.举行项目工作者会议

D.修正项目计划

E.社区及目标人群调查
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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.

10（）

A.supported

B.approved

C.ratified

D.hold
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