在某地区进行男性吸烟与膀胱癌关系的队列研究结果如下根据该资料,男性吸烟与膀胱癌关系的

题型:单项选择题 A3/A4型题

问题:

在某地区进行男性吸烟与膀胱癌关系的队列研究结果如下

根据该资料,男性吸烟与膀胱癌关系的相对危险度为

()

A.48.0

B.48.0-25.4=22.6

C.48.0/25.4=1.89

D.(48.0-25.4)/48.0

E.本资料不能计算

考点:公卫执业医师流行病学流行病学题库
题型:单项选择题 A3/A4型题
Billy is a boy of fifteen. His parents died three years ago. One day when he was walking in the street, he     a wallet. He returned it to the owner, Mr. Baker. He gave his        to the boy. As the boy had no job, Mr. Baker made him work for him in his     . Billy worked so hard that Mr. and Mrs. Baker were        with him.
Mr. Baker loved planting       . The week before last, he brought a few trees home, planted them in the        himself and watered them every day. Several days     , he had to leave for another city. Before he started, he said to Billy, “Take good care of these trees. Some boys near our house always want to steal them.” “Don’t        about them, sir.” answered Billy, “I'll try my best to watch them.” Six days passed and Mr. Baker came back. He asked, “     anyone ever come to steal the trees?” “No, sir.” said Billy. “To stop someone from stealing the trees, I        them up six days ago. I have hidden them for almost a week!”
小题1:
A.boughtB.foundC.carriedD.wanted
小题2:
A.walletB.pityC.thanksD.excuses
小题3:
A.office B.cityC.townD.home
小题4:
A.pleased B.angryC.boredD.sad
小题5:
A.grassB.flowersC.vegetablesD.trees
小题6:
A.gardenB.officeC.cityD.room
小题7:
A.agoB.laterC.beforeD.after
小题8:
A.thinkB.talkC.learnD.worry
小题9:
A.DidB.Does C.HasD.Will
小题10:
A.sentB.pulledC.putD.pick
题型:单项选择题 A3/A4型题

氯喹为

A.抗疟疾药
B.抗结核药物
C.抗病毒药
D.抗血吸虫药
E.抗真菌药

题型:单项选择题 A3/A4型题

张某,甲市人,中国乙市远洋运输公司“黎明号”货轮船员。“黎明号”航行在公海时,张某因与另一船员李某发生口角将其打成重伤。货轮返回中国首泊丙市港口时,张某趁机潜逃,后在丁市被抓获。该案应当由下列哪一法院行使管辖权( )

A.甲市法院
B.乙市法院
C.丙市法院
D.丁市法院

题型:单项选择题 A3/A4型题

下列不是税收的基本特征的是( )。

A.灵活性

B.强制性

C.无偿性

D.固定性

题型:单项选择题 A3/A4型题

如图表示基因指导蛋白质合成的过程。请分析并回答:

甲过程需以②()为原料,在①()的催化下完成。

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