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问题 选择题

向Fe2O3和铁粉组成的混合物中，加入适量的稀H2SO4，各物质恰好完全反应，测得溶液中不含Fe3＋，且Fe2＋与H2的物质的量之比为4:1，那么在反应中，Fe2O3、Fe、H2SO4的物质的量之比为(　　)

A．1:1:1

B．1:2:4

C．1:2:3

D．2:3:5

答案

答案：B

单项选择题 案例分析题

患者男，30岁，高处跌落伤1小时。查体：神清，腹部压痛、反跳痛明显，右股部畸形疼痛。

若患者一般情况尚可，进一步处理是（）

A.行下肢手术

B.密切观察患肢、腹部情况及全身情况变化

C.行剖腹探查术

D.密切观察病情的同时对右下肢进行简单的外固定

E.探查腘动脉是否损伤以便修复

F.一期行腹部手术和下肢手术
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单项选择题

Customs officers at a London airport yesterday found $500000 worth of drugs which were being smuggled into Britain in boxes marked "Urgent Medical Supplies. " The (51) might have suspected for some time that the drugs were being brought into the country in this way. The (52) is believed to be the work of a well-organized international group. Four men were arrested at the airport and held for questioning, (53) it is unlikely that they are organizers. In fact, they declared that they were (54) of what the boxes contained and had acted in good faith in bringing (55) into Britain. This is the third time in six months that attempts have been made to smuggle (56) goods through Customs by declaring them to be medical supplies. They are frequently (57) in special containers and a warning is given that they may be (58) if they are not handled with care. They are determined to put a (59) to this practice, said one of the Customs officers today. (60) is no way these people are going to get away with this any longer. We have the full cooperation of the International Police who are as anxious as we are to track down the main source of supply.

58（）。

A.harmed 

B.injured 

C.damaged 

D.hurt
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