关于设计变更程序，下列说法正确的是( )。

A．变更超过原设计标准或批准的建设规模时，发包人应在规划管理部门备案

B．变更的相应图纸和说明由原设计单位提供

C．承包人可以根据施工要求对原工程设计进行变更

D．工程师同意采用承包人的合理化建议，所发生的费用和获得收益的分担或分享，由发包人和承包人另行约定

E．承包人在施工中提出的合理化建议被发包人采纳，都必须经工程师同意

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.

2（）

A.the

B.a

C.some

D.other