唾液淀粉酶经透析后,水解淀粉的能力显著降低,其原因是()。 A.失去了辅基 B.失去

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问题:

唾液淀粉酶经透析后,水解淀粉的能力显著降低,其原因是()。

A.失去了辅基

B.失去了Cl-

C.酶蛋白变性

D.酶含量显著减少

E.以上都不正确

考点:临床医学检验(医学高级)医学高级押题密卷临床医学检验特训密卷四(副高)
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直条图和线图的纵轴与横轴的比例为如下哪一个时美观大方

A.2:3
B.1:2
C.5:7
D.1:1
E.3:4

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19世纪上半期,俄国资本主义发展速度远远落后于西欧的主要原因是[ ]

A.农奴制的存在

B.沙皇的专制统治

C.资本主义发展起步较晚

D.封建残余没有肃清

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马克思主义理论从狭义上说是()

A、无产阶级争取自身解放和整个人类解放的学说体系

B、关于无产阶级斗争的性质、目的和解放条件的学说

C、马克思和恩格斯创立的基本理论、基本观点和基本方法构成的科学体系

D、关于资本主义转化为社会主义以及社会主义和 * * 主义发展的普遍规律的学说

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国外穴盘苗生产过程中基质测试一般做3次:播种前、第三阶段施肥前和出圃前。

题型: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.

3()

A.even

B.same

C.less

D.more

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