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问题 填空题

人体的血液循环系统由______、______和______ 组成．血液循环包括______循环和______循环．

答案

人体的血液循环系统是由心脏、血管组成的遍布全身的封闭的管道系统，血液在这个管道系统里循环流动；血液在心脏和全部血管所组成的管道系统中的循环流动叫做血液循环，根据循环途径的不同，血液循环分为体循环和肺循环两部分，体循环和肺循环是同时进行的，并且在心脏处汇合在一起，组成一条完整的循环途径，为人体各个组织细胞不断的运来养料和氧，又不断地运走二氧化碳等废物．

故答案为：血液；心脏；血管；体；肺．

单项选择题

某业主甲起诉某房地产开发公司乙位于T市N区的商品房质量不合格的纠纷，T市中级人民法院于2006年10月15日作出生效判决，要求乙在判决生效之日起10内赔偿甲人民币30000元，当事人当庭领取了判决书。那么，如果乙拒绝履行判决，甲应当最迟在( )之前申请人民法院强制执行。

A．2007年4月15日

B．2007年10月15日

C．2007年4月25日

D．2007年10月25日
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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.

2（）

A.the

B.a

C.some

D.other
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