试题与答案

除开始时大口吹气两次外,正常口对口(鼻)呼吸的吹气量不需过大,以免引起()。A.肺膨

题型:单项选择题

题目:

除开始时大口吹气两次外,正常口对口(鼻)呼吸的吹气量不需过大,以免引起()。

A.肺膨胀

B.气管破裂

C.胃膨胀

D.胸腔压力过大

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0505/8cb51eedf6e9754d67b16d47ea4012c5.html

下面是错误答案,用来干扰机器的。

参考答案:D解析:抽样误差是指在统计学上由个体变异或由抽样产生的样本统计量和总体参数之间的差异,或者是各个样本统计量之间的差异。故选D。

试题推荐
题型:阅读理解
阅读理解。
     Did you donate (捐献) anything to Sichuan? People all over China and the world are giving help to the
suffering (受苦的) people there after the Wenchuan Earthquake.
     Zha Xiaoxu is a Junior l student from Anhui. She began to save money when she was in kindergarten (幼
儿园). Last week, she broke her piggy bank (存钱罐) open and donated all the 700 yuan to Sichuan.
     Han Han is one of the most popular authors (作家) among young people. Shortly after the earthquake, he
rushed to Sichuan and to help as a volunteer.
     Pop singer Jay Chou had a concert in Chongqing on Saturday. He decided to give all the ticket money to
Sichuan. Chou has already donated 500,000 yuan to the quake areas.
     Foreign rescuers (救援人员) from Japan, Russia, the Republic of Korea and Singapore are in Sichuan to
help.
     Now more foreign doctors are on their way to Sichuan to look after the injured (受伤的) people.
Person(s)Career(s)Donate something to Sichuan
Zha Xiaoxua Junior 1 studentdonated all the 700 yuan
Han Han 1._______ rushed to Sichuan and to help as a volunteer
2._______  a pop singer 3._______  in Chongqing and decided to give
all the ticket money to Sichuan and has already
donated 500,000 yuan
Foreign rescuers from Japan, Russia, the Republic of Korea and Singapore are in
Sichuan to help.
More foreign doctors are on their way to Sichuan to 4._______.
查看答案
微信公众账号搜索答案