问题 单项选择题

调查研究中,对研究因素所需的指标或数据进行测定或测量时容易产生以下哪类偏倚()。

A.纳入偏倚

B.测量偏倚

C.暴露怀疑偏倚

D.混杂偏倚

E.诊断怀疑偏倚

答案

参考答案:B

选择题
阅读理解

  ARIEL, West Bank: A suicide bomber blew up near Israeli soldiers outside a Jewish settlement in the West Bank yesterday, killing at least three people and wounding about 30 others, the settlement's mayor and rescue workers said.

  "A suicide bomber came and there were many soldiers...and he blew himself up." said Ron Nachman, mayor of the settlement of Ariel. "Soldiers were among the casualties. "People on the spot said the bomber blew up after soldiers eating at a food stand in a petrol station at the entrance of the settlement found him. According to some people on the spot accounts reported by Israeli media, a soldier shot and wounded the bomber, who then exploded.

  The Magen David Adorn ambulance service said at least three people were killed and at least 30 wounded in the blast, which set the bomber burning at Ariel, about 25 kilometers east of Tel Avi v.

  A fire brigade official said: "The bomber was still burning when we got there and we put out the fire immediatelly."

  Meanwhile, a blast shook homes in Lebanon's largest Palestinian refugee camp early yesterday, damaging buildings but causing no injuries, Palestinian sources said. They said the bomb was planted outside the home of a member of Palestimian President Yasser Arafat's Fatah faction in Ain el-Hilwch camp, and exploded while the family was sleeping.

  小题1:Some of people including ________were killed or wounded in the blast accident.

A.soldiers

B.mayor

C.rescue workers

D.a fire brigade official   小题2:The suicide bomber blew himself up because________.

A.there was something wrong with his brains

B.a soldier shot and wounded him

C.he couldn't see the settlement's mayor

D.he wanted to make himself known  小题3:What does the underlined word "casuahies" probably mean in the second paragraph?________

A.sufferers

B.killers

C.passersby

D.losers  小题4:It can be concluded that the passage is most probably part of a (n)________.

A.announcement

B.advertisement

C.news report

D.science research