侦察员要到河对岸执行任务，从桥的一头到另一头需用5分钟。对面桥头敌人的哨兵看的很紧，只要看见桥上有人，就会马上叫他回去，绝对不会让他继续向前走。侦察员必须利用敌哨兵换岗的间隙走过河去。而敌哨兵换岗的间隙仅有3分钟。侦察员不但顺利的过了河，而且圆满完成了任务。问：侦察员是怎么过去河的？
Harriet Tubman lived a life filled with adventure.Tubman worked with the Underground Railroad. She helped many slaves reach freedom in the North. She was a scout（侦察员)in the Civil War. She also worked as a nurse during the war. Life in the Old South was very hard for slaves. Most slaves lived in small houses.They had large families, and even the children had to work in the fields.Most slaves dreamed of getting to the north.They wanted to be free. One day Harriet saw a slave trying to run away. Then she saw the keeper running after him with a whip.Harriet stood in the keeper's way.The keeper took a weight and threw it at the slave.He hit Harriet above her eyes.It almost killed her. The scar（伤疤)on Harriet's head was an emblem（向征)of her will to fight for what she believed in. The Fugitive（逃亡)Slave Law made Harriet's job harder.The law said that slaves could be caught even in the North. Harriet began leading slaves all the way into Canada.There they were safe.The law couldn't hurt them there. When Harriet came for her mother and father,they were very old.Harriet was afraid they might not be able to make the trip.She got a horse.She and a friend made a wagon.She helped her mother and father ride to freedom. 小题1:The story mainly tells us about______.
A．life of the slaves in the Old South
B．life of Harriet Tubman
C．Harriet Tubman's fight for freedom for the slaves
D．the Civil War小题2:According to the story,which of the following statements is NOT TRUE？______.
A．Harriet Tubman used to work as a nurse during the Civil War.
B．The weight hit Harriet in the head and left a scar on her head.
C．Harriet led slaves to Canada where the law couldn't hurt them.
D．The Fugitive Slave Law protected running slaves in the North.小题3:The Fugitive Slave Law______.
A．protected running slaves
B．set slaves free
C．offered good jobs for slaves
D．made Harriet's job more difficult小题4:We can infer from the story that the author______.
A．was in favor of slavery
B．was supportive about Harriet's work
C．thought the Fugitive Slave Law was good
D．thought slaves were treated well in the North
在侦破一件盗窃案的过程中，五名侦察员议论作案人究竟是谁。甲说：或者A，或者B。乙说：是C。丙说：不是A，也不是B。丁说：如果不是D，就是C。戊说：肯定不是E。查明结果后，发现只有一人说对了。请问，作案人是谁？
国家安全机关侦察员因开展国家安全工作需要，临时征用了小李的轿车，工作过程中该侦察员驾驶小李的轿车办私事，不慎导致车辆受损。应如何处理？
A、如果小李不要求赔偿，就不了了之
B、该侦察员私人将车修好还给小李
C、该侦察员所在单位出钱修好小李的轿车
D、公民支持国家安全工作导致财产受损的，按照国家有关规定给予补偿;对该侦察员要依纪依规给予处罚。
根据下列条件，从R、S、T、U、X、Y、Z等七个侦察员中必须挑选而且只能挑选四个深入敌后侦察。如果R被选，则T也被选。如果S被选，则U也被选。如果X和Y同时被选，则T不能被选。(1)如果X和Y同时被选，那么，以下侦察员哪一个必须被选？①R②S③T④U⑤Z(2)如果S和Z同时被选，那么，以下侦察员哪一个不能被选？①R②T③U④X⑤Y
