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问题 单项选择题

分别用反向血凝法和酶标法对300名献血员进行HBsAg检测，结果如下：

欲比较两种检验方法有无差别，宜采用的统计方法是（）

A.t检验

B.Z检验

C.成组卡方检验

D.配对卡方检验

E.标准化法

答案

参考答案：D

完形填空

Canberra is the capital of Australia.It is a modern and lively city with a population of over 345.000.

History

Canberra is the eighth largest city in Australia.It is 238 km from Sydney and 507 km from Melbourne was once the capital of Austualia. Sydney people also wished to make their city the capital .It was difficult for the government to make the decision.Then in 1911,the government chose a place to build the new capital. It was between Sydney and Melbourne，the two largest cities .In 1927，the city was set up. It became the capital and was named Canberra.“Canberra”means“ a place for friends to get together.”

Cuture

Canberra is a beautiful city with trees and flowers everywhere.There’s a Flower Festival in September each year. People can enjoy all kinds of beautiful flowers and welcome the spring to arrive.A man-made like-lake. Bertey Griffin is in the center of the city.It’s about 25 km long. People like to ride bikes 、walk or run around the lake.In Canberra，there’re many famous universities like the Australian  National University and the University of Canberra.The National Library and the National Meseum of

Australia are also famous places that people like to visit.

小题1:How far is Canberra from Sydney?

A．25km

B．238km

C．345 km

D．507 km小题2:The word “Canberra”means__.

A．the largest city

B．a beautiful man—made lake

C．the old capital city

D．a place for friends to get together小题3:Canberra Flower Festival is a festival __.

A．ride lakes

B．visit Universities

C．welcome the spring

D．walk around the lake
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单项选择题

设struct {char name[10]； int age； }stu[2]={{"Tom"，25}，{"Mary"，26}}，*p=stu； 则执行语句printf("%S%d\n"，P—＞name，stu[1].age)；后输出结果是( )

A．Tom25

B．Tom26

C．Mary25

D．Mary26
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