What did the U.S. government claim about their plan to install interceptor missiles in Eastern Europe？
A. The defense system will be operational right away.
B. The defense system is targeted at Russia.
C. It helps to defend against Czech Republic.
D. It is intended to defend against rogue states.
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Which of the following statements about the earthquake in Spain is INCORRECT？
A. Earthquake occurred in the southeast of Spain.
B. Several people lost their lives in the earthquake.
C. A hospital has been used as a secure shelter for people.
D. The earthquake in Murcia did not last long.
According to the news item, the highest magnitude measured in Murcia was
A. 5.5.
B. 6.4.
C. 4.5.
D. 5.1.
若剖腹探查发现是右半结肠肿块，其手术原则是
A. 肠道肿块留待以后再次手术处理，放置腹腔引流物
B. 行局部肠段切除后，将远近肠管双管造口
C. 行右半结肠切除后，远近肠管分别造口
D. 切开肠管后切除肠管勾肿块
E. 按肿瘤原则行一期右半结肠切除肠吻合术
高柱通过信号机在正常情况下的显示距离，不得小于()m。
A. 1000
B. 800
C. 400
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